21154100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19231}}^1$

素因数の和:19256

約数の個数: 36

約数和(自身を含む): 50080128

約数和(自身を除く): 28926028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19231, 38462, 76924, 96155, 192310, 211541, 384620, 423082, 480775, 846164, 961550, 1057705, 1923100, 2115410, 4230820, 5288525, 10577050, 21154100]

約数ペア:

[(1, 21154100), (2, 10577050), (4, 5288525), (5, 4230820), (10, 2115410), (11, 1923100), (20, 1057705), (22, 961550), (25, 846164), (44, 480775), (50, 423082), (55, 384620), (100, 211541), (110, 192310), (220, 96155), (275, 76924), (550, 38462), (1100, 19231)]