21152625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4339}}^1$

素因数の和:4370

約数の個数: 32

約数和(自身を含む): 37914240

約数和(自身を除く): 16761615

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4339, 4875, 13017, 21695, 56407, 65085, 108475, 169221, 282035, 325425, 542375, 846105, 1410175, 1627125, 4230525, 7050875, 21152625]

約数ペア:

[(1, 21152625), (3, 7050875), (5, 4230525), (13, 1627125), (15, 1410175), (25, 846105), (39, 542375), (65, 325425), (75, 282035), (125, 169221), (195, 108475), (325, 65085), (375, 56407), (975, 21695), (1625, 13017), (4339, 4875)]