21084590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1699}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 40759200

約数和(自身を除く): 19674610

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 1699, 2482, 3398, 6205, 8495, 12410, 16990, 28883, 57766, 124027, 144415, 248054, 288830, 620135, 1240270, 2108459, 4216918, 10542295, 21084590]

約数ペア:

[(1, 21084590), (2, 10542295), (5, 4216918), (10, 2108459), (17, 1240270), (34, 620135), (73, 288830), (85, 248054), (146, 144415), (170, 124027), (365, 57766), (730, 28883), (1241, 16990), (1699, 12410), (2482, 8495), (3398, 6205)]