21114492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 57934800

約数和(自身を除く): 36820308

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 149, 196, 241, 294, 298, 447, 482, 588, 596, 723, 894, 964, 1043, 1446, 1687, 1788, 2086, 2892, 3129, 3374, 4172, 5061, 6258, 6748, 7301, 10122, 11809, 12516, 14602, 20244, 21903, 23618, 29204, 35427, 35909, 43806, 47236, 70854, 71818, 87612, 107727, 141708, 143636, 215454, 251363, 430908, 502726, 754089, 1005452, 1508178, 1759541, 3016356, 3519082, 5278623, 7038164, 10557246, 21114492]

約数ペア:

[(1, 21114492), (2, 10557246), (3, 7038164), (4, 5278623), (6, 3519082), (7, 3016356), (12, 1759541), (14, 1508178), (21, 1005452), (28, 754089), (42, 502726), (49, 430908), (84, 251363), (98, 215454), (147, 143636), (149, 141708), (196, 107727), (241, 87612), (294, 71818), (298, 70854), (447, 47236), (482, 43806), (588, 35909), (596, 35427), (723, 29204), (894, 23618), (964, 21903), (1043, 20244), (1446, 14602), (1687, 12516), (1788, 11809), (2086, 10122), (2892, 7301), (3129, 6748), (3374, 6258), (4172, 5061)]