21463376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121951}}^1$

素因数の和:121970

約数の個数: 20

約数和(自身を含む): 45366144

約数和(自身を除く): 23902768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121951, 243902, 487804, 975608, 1341461, 1951216, 2682922, 5365844, 10731688, 21463376]

約数ペア:

[(1, 21463376), (2, 10731688), (4, 5365844), (8, 2682922), (11, 1951216), (16, 1341461), (22, 975608), (44, 487804), (88, 243902), (176, 121951)]