21762369

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 32221800

約数和(自身を除く): 10459431

約数列:

[1, 3, 9, 89, 101, 267, 269, 303, 801, 807, 909, 2421, 8989, 23941, 26967, 27169, 71823, 80901, 81507, 215469, 244521, 2418041, 7254123, 21762369]

約数ペア:

[(1, 21762369), (3, 7254123), (9, 2418041), (89, 244521), (101, 215469), (267, 81507), (269, 80901), (303, 71823), (801, 27169), (807, 26967), (909, 23941), (2421, 8989)]