21465554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 37454400

約数和(自身を除く): 15988846

約数列:

[1, 2, 11, 19, 22, 38, 89, 178, 209, 418, 577, 979, 1154, 1691, 1958, 3382, 6347, 10963, 12694, 18601, 21926, 37202, 51353, 102706, 120593, 241186, 564883, 975707, 1129766, 1951414, 10732777, 21465554]

約数ペア:

[(1, 21465554), (2, 10732777), (11, 1951414), (19, 1129766), (22, 975707), (38, 564883), (89, 241186), (178, 120593), (209, 102706), (418, 51353), (577, 37202), (979, 21926), (1154, 18601), (1691, 12694), (1958, 10963), (3382, 6347)]