21046680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 76658400

約数和(自身を除く): 55611720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 136, 152, 153, 170, 171, 180, 181, 190, 204, 228, 255, 285, 306, 323, 340, 342, 360, 362, 380, 408, 456, 510, 543, 570, 612, 646, 680, 684, 724, 760, 765, 855, 905, 969, 1020, 1086, 1140, 1224, 1292, 1368, 1448, 1530, 1615, 1629, 1710, 1810, 1938, 2040, 2172, 2280, 2584, 2715, 2907, 3060, 3077, 3230, 3258, 3420, 3439, 3620, 3876, 4344, 4845, 5430, 5814, 6120, 6154, 6460, 6516, 6840, 6878, 7240, 7752, 8145, 9231, 9690, 10317, 10860, 11628, 12308, 12920, 13032, 13756, 14535, 15385, 16290, 17195, 18462, 19380, 20634, 21720, 23256, 24616, 27512, 27693, 29070, 30770, 30951, 32580, 34390, 36924, 38760, 41268, 46155, 51585, 55386, 58140, 58463, 61540, 61902, 65160, 68780, 73848, 82536, 92310, 103170, 110772, 116280, 116926, 123080, 123804, 137560, 138465, 154755, 175389, 184620, 206340, 221544, 233852, 247608, 276930, 292315, 309510, 350778, 369240, 412680, 467704, 526167, 553860, 584630, 619020, 701556, 876945, 1052334, 1107720, 1169260, 1238040, 1403112, 1753890, 2104668, 2338520, 2630835, 3507780, 4209336, 5261670, 7015560, 10523340, 21046680]

約数ペア:

[(1, 21046680), (2, 10523340), (3, 7015560), (4, 5261670), (5, 4209336), (6, 3507780), (8, 2630835), (9, 2338520), (10, 2104668), (12, 1753890), (15, 1403112), (17, 1238040), (18, 1169260), (19, 1107720), (20, 1052334), (24, 876945), (30, 701556), (34, 619020), (36, 584630), (38, 553860), (40, 526167), (45, 467704), (51, 412680), (57, 369240), (60, 350778), (68, 309510), (72, 292315), (76, 276930), (85, 247608), (90, 233852), (95, 221544), (102, 206340), (114, 184620), (120, 175389), (136, 154755), (152, 138465), (153, 137560), (170, 123804), (171, 123080), (180, 116926), (181, 116280), (190, 110772), (204, 103170), (228, 92310), (255, 82536), (285, 73848), (306, 68780), (323, 65160), (340, 61902), (342, 61540), (360, 58463), (362, 58140), (380, 55386), (408, 51585), (456, 46155), (510, 41268), (543, 38760), (570, 36924), (612, 34390), (646, 32580), (680, 30951), (684, 30770), (724, 29070), (760, 27693), (765, 27512), (855, 24616), (905, 23256), (969, 21720), (1020, 20634), (1086, 19380), (1140, 18462), (1224, 17195), (1292, 16290), (1368, 15385), (1448, 14535), (1530, 13756), (1615, 13032), (1629, 12920), (1710, 12308), (1810, 11628), (1938, 10860), (2040, 10317), (2172, 9690), (2280, 9231), (2584, 8145), (2715, 7752), (2907, 7240), (3060, 6878), (3077, 6840), (3230, 6516), (3258, 6460), (3420, 6154), (3439, 6120), (3620, 5814), (3876, 5430), (4344, 4845)]