21734625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 18101535

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 275, 363, 375, 479, 605, 825, 1375, 1437, 1815, 2395, 3025, 4125, 5269, 7185, 9075, 11975, 15125, 15807, 26345, 35925, 45375, 57959, 59875, 79035, 131725, 173877, 179625, 289795, 395175, 658625, 869385, 1448975, 1975875, 4346925, 7244875, 21734625]

約数ペア:

[(1, 21734625), (3, 7244875), (5, 4346925), (11, 1975875), (15, 1448975), (25, 869385), (33, 658625), (55, 395175), (75, 289795), (121, 179625), (125, 173877), (165, 131725), (275, 79035), (363, 59875), (375, 57959), (479, 45375), (605, 35925), (825, 26345), (1375, 15807), (1437, 15125), (1815, 11975), (2395, 9075), (3025, 7185), (4125, 5269)]