21178335348

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1097}}^1\times {\mathrm{17299}}^1$

素因数の和:18437

約数の個数: 72

約数和(自身を含む): 55314604800

約数和(自身を除く): 34136269452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1097, 1116, 2194, 3291, 4388, 6582, 9873, 13164, 17299, 19746, 34007, 34598, 39492, 51897, 68014, 69196, 102021, 103794, 136028, 155691, 204042, 207588, 306063, 311382, 408084, 536269, 612126, 622764, 1072538, 1224252, 1608807, 2145076, 3217614, 4826421, 6435228, 9652842, 18977003, 19305684, 37954006, 56931009, 75908012, 113862018, 170793027, 227724036, 341586054, 588287093, 683172108, 1176574186, 1764861279, 2353148372, 3529722558, 5294583837, 7059445116, 10589167674, 21178335348]

約数ペア:

[(1, 21178335348), (2, 10589167674), (3, 7059445116), (4, 5294583837), (6, 3529722558), (9, 2353148372), (12, 1764861279), (18, 1176574186), (31, 683172108), (36, 588287093), (62, 341586054), (93, 227724036), (124, 170793027), (186, 113862018), (279, 75908012), (372, 56931009), (558, 37954006), (1097, 19305684), (1116, 18977003), (2194, 9652842), (3291, 6435228), (4388, 4826421), (6582, 3217614), (9873, 2145076), (13164, 1608807), (17299, 1224252), (19746, 1072538), (34007, 622764), (34598, 612126), (39492, 536269), (51897, 408084), (68014, 311382), (69196, 306063), (102021, 207588), (103794, 204042), (136028, 155691)]