21864414

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1499}}^1$

素因数の和:1545

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 32567586

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 143, 187, 221, 286, 374, 429, 442, 561, 663, 858, 1122, 1326, 1499, 2431, 2998, 4497, 4862, 7293, 8994, 14586, 16489, 19487, 25483, 32978, 38974, 49467, 50966, 58461, 76449, 98934, 116922, 152898, 214357, 280313, 331279, 428714, 560626, 643071, 662558, 840939, 993837, 1286142, 1681878, 1987674, 3644069, 7288138, 10932207, 21864414]

約数ペア:

[(1, 21864414), (2, 10932207), (3, 7288138), (6, 3644069), (11, 1987674), (13, 1681878), (17, 1286142), (22, 993837), (26, 840939), (33, 662558), (34, 643071), (39, 560626), (51, 428714), (66, 331279), (78, 280313), (102, 214357), (143, 152898), (187, 116922), (221, 98934), (286, 76449), (374, 58461), (429, 50966), (442, 49467), (561, 38974), (663, 32978), (858, 25483), (1122, 19487), (1326, 16489), (1499, 14586), (2431, 8994), (2998, 7293), (4497, 4862)]