21132852915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{143629}}^1$

素因数の和:144231

約数の個数: 32

約数和(自身を含む): 35863836480

約数和(自身を除く): 14730983565

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 577, 1731, 2885, 8655, 9809, 29427, 49045, 143629, 147135, 430887, 718145, 2154435, 2441693, 7325079, 12208465, 36625395, 82873933, 248621799, 414369665, 1243108995, 1408856861, 4226570583, 7044284305, 21132852915]

約数ペア:

[(1, 21132852915), (3, 7044284305), (5, 4226570583), (15, 1408856861), (17, 1243108995), (51, 414369665), (85, 248621799), (255, 82873933), (577, 36625395), (1731, 12208465), (2885, 7325079), (8655, 2441693), (9809, 2154435), (29427, 718145), (49045, 430887), (143629, 147135)]