21282704

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7349}}^1$

素因数の和:7538

約数の個数: 20

約数和(自身を含む): 41468700

約数和(自身を除く): 20185996

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7349, 14698, 29396, 58792, 117584, 1330169, 2660338, 5320676, 10641352, 21282704]

約数ペア:

[(1, 21282704), (2, 10641352), (4, 5320676), (8, 2660338), (16, 1330169), (181, 117584), (362, 58792), (724, 29396), (1448, 14698), (2896, 7349)]