21980350053

素因数分解:

$3^3\times {\mathrm{5861}}^1\times {\mathrm{138899}}^1$

素因数の和:144769

約数の個数: 16

約数和(自身を含む): 32569272000

約数和(自身を除く): 10588921947

約数列:

[1, 3, 9, 27, 5861, 17583, 52749, 138899, 158247, 416697, 1250091, 3750273, 814087039, 2442261117, 7326783351, 21980350053]

約数ペア:

[(1, 21980350053), (3, 7326783351), (9, 2442261117), (27, 814087039), (5861, 3750273), (17583, 1250091), (52749, 416697), (138899, 158247)]