21911260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2953}}^1$

素因数の和:3022

約数の個数: 48

約数和(自身を含む): 53597376

約数和(自身を除く): 31686116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2953, 3710, 5906, 7420, 11812, 14765, 20671, 29530, 41342, 59060, 82684, 103355, 156509, 206710, 313018, 413420, 626036, 782545, 1095563, 1565090, 2191126, 3130180, 4382252, 5477815, 10955630, 21911260]

約数ペア:

[(1, 21911260), (2, 10955630), (4, 5477815), (5, 4382252), (7, 3130180), (10, 2191126), (14, 1565090), (20, 1095563), (28, 782545), (35, 626036), (53, 413420), (70, 313018), (106, 206710), (140, 156509), (212, 103355), (265, 82684), (371, 59060), (530, 41342), (742, 29530), (1060, 20671), (1484, 14765), (1855, 11812), (2953, 7420), (3710, 5906)]