21795228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6653}}^1$

素因数の和:6683

約数の個数: 72

約数和(自身を含む): 67817568

約数和(自身を除く): 46022340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6653, 13306, 19959, 26612, 39918, 46571, 59877, 79836, 86489, 93142, 119754, 139713, 172978, 186284, 239508, 259467, 279426, 345956, 419139, 518934, 558852, 605423, 778401, 838278, 1037868, 1210846, 1556802, 1676556, 1816269, 2421692, 3113604, 3632538, 5448807, 7265076, 10897614, 21795228]

約数ペア:

[(1, 21795228), (2, 10897614), (3, 7265076), (4, 5448807), (6, 3632538), (7, 3113604), (9, 2421692), (12, 1816269), (13, 1676556), (14, 1556802), (18, 1210846), (21, 1037868), (26, 838278), (28, 778401), (36, 605423), (39, 558852), (42, 518934), (52, 419139), (63, 345956), (78, 279426), (84, 259467), (91, 239508), (117, 186284), (126, 172978), (156, 139713), (182, 119754), (234, 93142), (252, 86489), (273, 79836), (364, 59877), (468, 46571), (546, 39918), (819, 26612), (1092, 19959), (1638, 13306), (3276, 6653)]