21754103680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1096477}}^1$

素因数の和:1096527

約数の個数: 64

約数和(自身を含む): 53683562880

約数和(自身を除く): 31929459200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 1096477, 2192954, 4385908, 5482385, 8771816, 10964770, 17543632, 21929540, 33990787, 35087264, 43859080, 67981574, 70174528, 87718160, 135963148, 140349056, 169953935, 175436320, 271926296, 339907870, 350872640, 543852592, 679815740, 701745280, 1087705184, 1359631480, 2175410368, 2719262960, 4350820736, 5438525920, 10877051840, 21754103680]

約数ペア:

[(1, 21754103680), (2, 10877051840), (4, 5438525920), (5, 4350820736), (8, 2719262960), (10, 2175410368), (16, 1359631480), (20, 1087705184), (31, 701745280), (32, 679815740), (40, 543852592), (62, 350872640), (64, 339907870), (80, 271926296), (124, 175436320), (128, 169953935), (155, 140349056), (160, 135963148), (248, 87718160), (310, 70174528), (320, 67981574), (496, 43859080), (620, 35087264), (640, 33990787), (992, 21929540), (1240, 17543632), (1984, 10964770), (2480, 8771816), (3968, 5482385), (4960, 4385908), (9920, 2192954), (19840, 1096477)]