21349146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 53496576

約数和(自身を除く): 32147430

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 273, 366, 427, 546, 641, 793, 854, 1281, 1282, 1586, 1923, 2379, 2562, 3846, 4487, 4758, 5551, 8333, 8974, 11102, 13461, 16653, 16666, 24999, 26922, 33306, 39101, 49998, 58331, 78202, 116662, 117303, 174993, 234606, 273707, 349986, 508313, 547414, 821121, 1016626, 1524939, 1642242, 3049878, 3558191, 7116382, 10674573, 21349146]

約数ペア:

[(1, 21349146), (2, 10674573), (3, 7116382), (6, 3558191), (7, 3049878), (13, 1642242), (14, 1524939), (21, 1016626), (26, 821121), (39, 547414), (42, 508313), (61, 349986), (78, 273707), (91, 234606), (122, 174993), (182, 117303), (183, 116662), (273, 78202), (366, 58331), (427, 49998), (546, 39101), (641, 33306), (793, 26922), (854, 24999), (1281, 16666), (1282, 16653), (1586, 13461), (1923, 11102), (2379, 8974), (2562, 8333), (3846, 5551), (4487, 4758)]