21171510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4127}}^1$

素因数の和:4162

約数の個数: 64

約数和(自身を含む): 59443200

約数和(自身を除く): 38271690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4127, 5130, 8254, 12381, 20635, 24762, 37143, 41270, 61905, 74286, 78413, 111429, 123810, 156826, 185715, 222858, 235239, 371430, 392065, 470478, 557145, 705717, 784130, 1114290, 1176195, 1411434, 2117151, 2352390, 3528585, 4234302, 7057170, 10585755, 21171510]

約数ペア:

[(1, 21171510), (2, 10585755), (3, 7057170), (5, 4234302), (6, 3528585), (9, 2352390), (10, 2117151), (15, 1411434), (18, 1176195), (19, 1114290), (27, 784130), (30, 705717), (38, 557145), (45, 470478), (54, 392065), (57, 371430), (90, 235239), (95, 222858), (114, 185715), (135, 156826), (171, 123810), (190, 111429), (270, 78413), (285, 74286), (342, 61905), (513, 41270), (570, 37143), (855, 24762), (1026, 20635), (1710, 12381), (2565, 8254), (4127, 5130)]