21410830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1163}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 44250624

約数和(自身を除く): 22839794

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1163, 1315, 1841, 2326, 2630, 3682, 5815, 8141, 9205, 11630, 16282, 18410, 40705, 81410, 305869, 611738, 1529345, 2141083, 3058690, 4282166, 10705415, 21410830]

約数ペア:

[(1, 21410830), (2, 10705415), (5, 4282166), (7, 3058690), (10, 2141083), (14, 1529345), (35, 611738), (70, 305869), (263, 81410), (526, 40705), (1163, 18410), (1315, 16282), (1841, 11630), (2326, 9205), (2630, 8141), (3682, 5815)]