21103633590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{271919}}^1$

素因数の和:272141

約数の個数: 64

約数和(自身を含む): 54819072000

約数和(自身を除く): 33715438410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 199, 390, 398, 597, 995, 1194, 1990, 2587, 2985, 5174, 5970, 7761, 12935, 15522, 25870, 38805, 77610, 271919, 543838, 815757, 1359595, 1631514, 2719190, 3534947, 4078785, 7069894, 8157570, 10604841, 17674735, 21209682, 35349470, 53024205, 54111881, 106048410, 108223762, 162335643, 270559405, 324671286, 541118810, 703454453, 811678215, 1406908906, 1623356430, 2110363359, 3517272265, 4220726718, 7034544530, 10551816795, 21103633590]

約数ペア:

[(1, 21103633590), (2, 10551816795), (3, 7034544530), (5, 4220726718), (6, 3517272265), (10, 2110363359), (13, 1623356430), (15, 1406908906), (26, 811678215), (30, 703454453), (39, 541118810), (65, 324671286), (78, 270559405), (130, 162335643), (195, 108223762), (199, 106048410), (390, 54111881), (398, 53024205), (597, 35349470), (995, 21209682), (1194, 17674735), (1990, 10604841), (2587, 8157570), (2985, 7069894), (5174, 4078785), (5970, 3534947), (7761, 2719190), (12935, 1631514), (15522, 1359595), (25870, 815757), (38805, 543838), (77610, 271919)]