21414778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{577}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 40284288

約数和(自身を除く): 18869510

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 241, 482, 577, 1154, 1687, 2651, 3374, 4039, 5302, 6347, 8078, 12694, 18557, 37114, 44429, 88858, 139057, 278114, 973399, 1529627, 1946798, 3059254, 10707389, 21414778]

約数ペア:

[(1, 21414778), (2, 10707389), (7, 3059254), (11, 1946798), (14, 1529627), (22, 973399), (77, 278114), (154, 139057), (241, 88858), (482, 44429), (577, 37114), (1154, 18557), (1687, 12694), (2651, 8078), (3374, 6347), (4039, 5302)]