21000638930

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{479}}^1\times {\mathrm{14281}}^1$

素因数の和:15074

約数の個数: 32

約数和(自身を含む): 38006115840

約数和(自身を除く): 17005476910

約数列:

[1, 2, 5, 10, 307, 479, 614, 958, 1535, 2395, 3070, 4790, 14281, 28562, 71405, 142810, 147053, 294106, 735265, 1470530, 4384267, 6840599, 8768534, 13681198, 21921335, 34202995, 43842670, 68405990, 2100063893, 4200127786, 10500319465, 21000638930]

約数ペア:

[(1, 21000638930), (2, 10500319465), (5, 4200127786), (10, 2100063893), (307, 68405990), (479, 43842670), (614, 34202995), (958, 21921335), (1535, 13681198), (2395, 8768534), (3070, 6840599), (4790, 4384267), (14281, 1470530), (28562, 735265), (71405, 294106), (142810, 147053)]