21351060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2118

約数の個数: 96

約数和(自身を含む): 69955200

約数和(自身を除く): 48604140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2081, 2565, 3420, 4162, 5130, 6243, 8324, 10260, 10405, 12486, 18729, 20810, 24972, 31215, 37458, 39539, 41620, 56187, 62430, 74916, 79078, 93645, 112374, 118617, 124860, 158156, 187290, 197695, 224748, 237234, 280935, 355851, 374580, 395390, 474468, 561870, 593085, 711702, 790780, 1067553, 1123740, 1186170, 1423404, 1779255, 2135106, 2372340, 3558510, 4270212, 5337765, 7117020, 10675530, 21351060]

約数ペア:

[(1, 21351060), (2, 10675530), (3, 7117020), (4, 5337765), (5, 4270212), (6, 3558510), (9, 2372340), (10, 2135106), (12, 1779255), (15, 1423404), (18, 1186170), (19, 1123740), (20, 1067553), (27, 790780), (30, 711702), (36, 593085), (38, 561870), (45, 474468), (54, 395390), (57, 374580), (60, 355851), (76, 280935), (90, 237234), (95, 224748), (108, 197695), (114, 187290), (135, 158156), (171, 124860), (180, 118617), (190, 112374), (228, 93645), (270, 79078), (285, 74916), (342, 62430), (380, 56187), (513, 41620), (540, 39539), (570, 37458), (684, 31215), (855, 24972), (1026, 20810), (1140, 18729), (1710, 12486), (2052, 10405), (2081, 10260), (2565, 8324), (3420, 6243), (4162, 5130)]