21291245988

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{196117}}^1$

素因数の和:196316

約数の個数: 48

約数和(自身を含む): 50739648960

約数和(自身を除く): 29448402972

約数列:

[1, 2, 3, 4, 6, 12, 83, 109, 166, 218, 249, 327, 332, 436, 498, 654, 996, 1308, 9047, 18094, 27141, 36188, 54282, 108564, 196117, 392234, 588351, 784468, 1176702, 2353404, 16277711, 21376753, 32555422, 42753506, 48833133, 64130259, 65110844, 85507012, 97666266, 128260518, 195332532, 256521036, 1774270499, 3548540998, 5322811497, 7097081996, 10645622994, 21291245988]

約数ペア:

[(1, 21291245988), (2, 10645622994), (3, 7097081996), (4, 5322811497), (6, 3548540998), (12, 1774270499), (83, 256521036), (109, 195332532), (166, 128260518), (218, 97666266), (249, 85507012), (327, 65110844), (332, 64130259), (436, 48833133), (498, 42753506), (654, 32555422), (996, 21376753), (1308, 16277711), (9047, 2353404), (18094, 1176702), (27141, 784468), (36188, 588351), (54282, 392234), (108564, 196117)]