21127575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5749}}^1$

素因数の和:5776

約数の個数: 36

約数和(自身を含む): 40641000

約数和(自身を除く): 19513425

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5749, 17247, 28745, 40243, 86235, 120729, 143725, 201215, 281701, 431175, 603645, 845103, 1006075, 1408505, 3018225, 4225515, 7042525, 21127575]

約数ペア:

[(1, 21127575), (3, 7042525), (5, 4225515), (7, 3018225), (15, 1408505), (21, 1006075), (25, 845103), (35, 603645), (49, 431175), (75, 281701), (105, 201215), (147, 143725), (175, 120729), (245, 86235), (525, 40243), (735, 28745), (1225, 17247), (3675, 5749)]