21167154125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{57383}}^1$

素因数の和:57638

約数の個数: 32

約数和(自身を含む): 28574477568

約数和(自身を除く): 7407323443

約数列:

[1, 5, 13, 25, 65, 125, 227, 325, 1135, 1625, 2951, 5675, 14755, 28375, 57383, 73775, 286915, 368875, 745979, 1434575, 3729895, 7172875, 13025941, 18649475, 65129705, 93247375, 169337233, 325648525, 846686165, 1628242625, 4233430825, 21167154125]

約数ペア:

[(1, 21167154125), (5, 4233430825), (13, 1628242625), (25, 846686165), (65, 325648525), (125, 169337233), (227, 93247375), (325, 65129705), (1135, 18649475), (1625, 13025941), (2951, 7172875), (5675, 3729895), (14755, 1434575), (28375, 745979), (57383, 368875), (73775, 286915)]