21581371008

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{985991}}^1$

素因数の和:986030

約数の個数: 96

約数和(自身を含む): 65371269600

約数和(自身を除く): 43789898592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 288, 304, 342, 384, 456, 576, 608, 684, 912, 1152, 1216, 1368, 1824, 2432, 2736, 3648, 5472, 7296, 10944, 21888, 985991, 1971982, 2957973, 3943964, 5915946, 7887928, 8873919, 11831892, 15775856, 17747838, 18733829, 23663784, 31551712, 35495676, 37467658, 47327568, 56201487, 63103424, 70991352, 74935316, 94655136, 112402974, 126206848, 141982704, 149870632, 168604461, 189310272, 224805948, 283965408, 299741264, 337208922, 378620544, 449611896, 567930816, 599482528, 674417844, 899223792, 1135861632, 1198965056, 1348835688, 1798447584, 2397930112, 2697671376, 3596895168, 5395342752, 7193790336, 10790685504, 21581371008]

約数ペア:

[(1, 21581371008), (2, 10790685504), (3, 7193790336), (4, 5395342752), (6, 3596895168), (8, 2697671376), (9, 2397930112), (12, 1798447584), (16, 1348835688), (18, 1198965056), (19, 1135861632), (24, 899223792), (32, 674417844), (36, 599482528), (38, 567930816), (48, 449611896), (57, 378620544), (64, 337208922), (72, 299741264), (76, 283965408), (96, 224805948), (114, 189310272), (128, 168604461), (144, 149870632), (152, 141982704), (171, 126206848), (192, 112402974), (228, 94655136), (288, 74935316), (304, 70991352), (342, 63103424), (384, 56201487), (456, 47327568), (576, 37467658), (608, 35495676), (684, 31551712), (912, 23663784), (1152, 18733829), (1216, 17747838), (1368, 15775856), (1824, 11831892), (2432, 8873919), (2736, 7887928), (3648, 5915946), (5472, 3943964), (7296, 2957973), (10944, 1971982), (21888, 985991)]