21812364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 63711648

約数和(自身を除く): 41899284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 857, 909, 1212, 1414, 1714, 1818, 2121, 2571, 2828, 3428, 3636, 4242, 5142, 5999, 6363, 7713, 8484, 10284, 11998, 12726, 15426, 17997, 23996, 25452, 30852, 35994, 53991, 71988, 86557, 107982, 173114, 215964, 259671, 346228, 519342, 605899, 779013, 1038684, 1211798, 1558026, 1817697, 2423596, 3116052, 3635394, 5453091, 7270788, 10906182, 21812364]

約数ペア:

[(1, 21812364), (2, 10906182), (3, 7270788), (4, 5453091), (6, 3635394), (7, 3116052), (9, 2423596), (12, 1817697), (14, 1558026), (18, 1211798), (21, 1038684), (28, 779013), (36, 605899), (42, 519342), (63, 346228), (84, 259671), (101, 215964), (126, 173114), (202, 107982), (252, 86557), (303, 71988), (404, 53991), (606, 35994), (707, 30852), (857, 25452), (909, 23996), (1212, 17997), (1414, 15426), (1714, 12726), (1818, 11998), (2121, 10284), (2571, 8484), (2828, 7713), (3428, 6363), (3636, 5999), (4242, 5142)]