21567924

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 65372160

約数和(自身を除く): 43804236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 84, 94, 108, 126, 141, 188, 189, 252, 282, 329, 378, 423, 564, 607, 658, 756, 846, 987, 1214, 1269, 1316, 1692, 1821, 1974, 2428, 2538, 2961, 3642, 3948, 4249, 5076, 5463, 5922, 7284, 8498, 8883, 10926, 11844, 12747, 16389, 16996, 17766, 21852, 25494, 28529, 32778, 35532, 38241, 50988, 57058, 65556, 76482, 85587, 114116, 114723, 152964, 171174, 199703, 229446, 256761, 342348, 399406, 458892, 513522, 599109, 770283, 798812, 1027044, 1198218, 1540566, 1797327, 2396436, 3081132, 3594654, 5391981, 7189308, 10783962, 21567924]

約数ペア:

[(1, 21567924), (2, 10783962), (3, 7189308), (4, 5391981), (6, 3594654), (7, 3081132), (9, 2396436), (12, 1797327), (14, 1540566), (18, 1198218), (21, 1027044), (27, 798812), (28, 770283), (36, 599109), (42, 513522), (47, 458892), (54, 399406), (63, 342348), (84, 256761), (94, 229446), (108, 199703), (126, 171174), (141, 152964), (188, 114723), (189, 114116), (252, 85587), (282, 76482), (329, 65556), (378, 57058), (423, 50988), (564, 38241), (607, 35532), (658, 32778), (756, 28529), (846, 25494), (987, 21852), (1214, 17766), (1269, 16996), (1316, 16389), (1692, 12747), (1821, 11844), (1974, 10926), (2428, 8883), (2538, 8498), (2961, 7284), (3642, 5922), (3948, 5463), (4249, 5076)]