21069968409

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{46457}}^1$

素因数の和:46806

約数の個数: 48

約数和(自身を含む): 36411178752

約数和(自身を除く): 15341210343

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 313, 483, 939, 1449, 2191, 2817, 6573, 7199, 19719, 21597, 46457, 50393, 64791, 139371, 151179, 325199, 418113, 453537, 975597, 1068511, 2926791, 3205533, 7479577, 9616599, 14541041, 22438731, 43623123, 67316193, 101787287, 130869369, 305361861, 334443943, 916085583, 1003331829, 2341107601, 3009995487, 7023322803, 21069968409]

約数ペア:

[(1, 21069968409), (3, 7023322803), (7, 3009995487), (9, 2341107601), (21, 1003331829), (23, 916085583), (63, 334443943), (69, 305361861), (161, 130869369), (207, 101787287), (313, 67316193), (483, 43623123), (939, 22438731), (1449, 14541041), (2191, 9616599), (2817, 7479577), (6573, 3205533), (7199, 2926791), (19719, 1068511), (21597, 975597), (46457, 453537), (50393, 418113), (64791, 325199), (139371, 151179)]