21491898

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 22416582

約数列:

[1, 2, 3, 6, 89, 167, 178, 241, 267, 334, 482, 501, 534, 723, 1002, 1446, 14863, 21449, 29726, 40247, 42898, 44589, 64347, 80494, 89178, 120741, 128694, 241482, 3581983, 7163966, 10745949, 21491898]

約数ペア:

[(1, 21491898), (2, 10745949), (3, 7163966), (6, 3581983), (89, 241482), (167, 128694), (178, 120741), (241, 89178), (267, 80494), (334, 64347), (482, 44589), (501, 42898), (534, 40247), (723, 29726), (1002, 21449), (1446, 14863)]