21838260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 64512000

約数和(自身を除く): 42673740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 59, 60, 62, 93, 118, 124, 155, 177, 186, 199, 236, 295, 310, 354, 372, 398, 465, 590, 597, 620, 708, 796, 885, 930, 995, 1180, 1194, 1770, 1829, 1860, 1990, 2388, 2985, 3540, 3658, 3980, 5487, 5970, 6169, 7316, 9145, 10974, 11741, 11940, 12338, 18290, 18507, 21948, 23482, 24676, 27435, 30845, 35223, 36580, 37014, 46964, 54870, 58705, 61690, 70446, 74028, 92535, 109740, 117410, 123380, 140892, 176115, 185070, 234820, 352230, 363971, 370140, 704460, 727942, 1091913, 1455884, 1819855, 2183826, 3639710, 4367652, 5459565, 7279420, 10919130, 21838260]

約数ペア:

[(1, 21838260), (2, 10919130), (3, 7279420), (4, 5459565), (5, 4367652), (6, 3639710), (10, 2183826), (12, 1819855), (15, 1455884), (20, 1091913), (30, 727942), (31, 704460), (59, 370140), (60, 363971), (62, 352230), (93, 234820), (118, 185070), (124, 176115), (155, 140892), (177, 123380), (186, 117410), (199, 109740), (236, 92535), (295, 74028), (310, 70446), (354, 61690), (372, 58705), (398, 54870), (465, 46964), (590, 37014), (597, 36580), (620, 35223), (708, 30845), (796, 27435), (885, 24676), (930, 23482), (995, 21948), (1180, 18507), (1194, 18290), (1770, 12338), (1829, 11940), (1860, 11741), (1990, 10974), (2388, 9145), (2985, 7316), (3540, 6169), (3658, 5970), (3980, 5487)]