21101579460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{176819}}^1$

素因数の和:176867

約数の個数: 192

約数和(自身を含む): 74858515200

約数和(自身を除く): 53756935740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 340, 351, 390, 442, 459, 468, 510, 540, 585, 612, 663, 702, 765, 780, 884, 918, 1020, 1105, 1170, 1326, 1404, 1530, 1755, 1836, 1989, 2210, 2295, 2340, 2652, 3060, 3315, 3510, 3978, 4420, 4590, 5967, 6630, 7020, 7956, 9180, 9945, 11934, 13260, 19890, 23868, 29835, 39780, 59670, 119340, 176819, 353638, 530457, 707276, 884095, 1060914, 1591371, 1768190, 2121828, 2298647, 2652285, 3005923, 3182742, 3536380, 4597294, 4774113, 5304570, 6011846, 6365484, 6895941, 7956855, 9017769, 9194588, 9548226, 10609140, 11493235, 12023692, 13791882, 15029615, 15913710, 18035538, 19096452, 20687823, 22986470, 23870565, 27053307, 27583764, 30059230, 31827420, 34479705, 36071076, 39076999, 41375646, 45088845, 45972940, 47741130, 54106614, 60118460, 62063469, 68959410, 78153998, 81159921, 82751292, 90177690, 95482260, 103439115, 108213228, 117230997, 124126938, 135266535, 137918820, 156307996, 162319842, 180355380, 195384995, 206878230, 234461994, 248253876, 270533070, 310317345, 324639684, 351692991, 390769990, 405799605, 413756460, 468923988, 541066140, 586154985, 620634690, 703385982, 781539980, 811599210, 1055078973, 1172309970, 1241269380, 1406771964, 1623198420, 1758464955, 2110157946, 2344619940, 3516929910, 4220315892, 5275394865, 7033859820, 10550789730, 21101579460]

約数ペア:

[(1, 21101579460), (2, 10550789730), (3, 7033859820), (4, 5275394865), (5, 4220315892), (6, 3516929910), (9, 2344619940), (10, 2110157946), (12, 1758464955), (13, 1623198420), (15, 1406771964), (17, 1241269380), (18, 1172309970), (20, 1055078973), (26, 811599210), (27, 781539980), (30, 703385982), (34, 620634690), (36, 586154985), (39, 541066140), (45, 468923988), (51, 413756460), (52, 405799605), (54, 390769990), (60, 351692991), (65, 324639684), (68, 310317345), (78, 270533070), (85, 248253876), (90, 234461994), (102, 206878230), (108, 195384995), (117, 180355380), (130, 162319842), (135, 156307996), (153, 137918820), (156, 135266535), (170, 124126938), (180, 117230997), (195, 108213228), (204, 103439115), (221, 95482260), (234, 90177690), (255, 82751292), (260, 81159921), (270, 78153998), (306, 68959410), (340, 62063469), (351, 60118460), (390, 54106614), (442, 47741130), (459, 45972940), (468, 45088845), (510, 41375646), (540, 39076999), (585, 36071076), (612, 34479705), (663, 31827420), (702, 30059230), (765, 27583764), (780, 27053307), (884, 23870565), (918, 22986470), (1020, 20687823), (1105, 19096452), (1170, 18035538), (1326, 15913710), (1404, 15029615), (1530, 13791882), (1755, 12023692), (1836, 11493235), (1989, 10609140), (2210, 9548226), (2295, 9194588), (2340, 9017769), (2652, 7956855), (3060, 6895941), (3315, 6365484), (3510, 6011846), (3978, 5304570), (4420, 4774113), (4590, 4597294), (5967, 3536380), (6630, 3182742), (7020, 3005923), (7956, 2652285), (9180, 2298647), (9945, 2121828), (11934, 1768190), (13260, 1591371), (19890, 1060914), (23868, 884095), (29835, 707276), (39780, 530457), (59670, 353638), (119340, 176819)]