21627840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1733}}^1$

素因数の和:1766

約数の個数: 112

約数和(自身を含む): 73993248

約数和(自身を除く): 52365408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 1733, 2080, 2496, 3120, 3466, 4160, 5199, 6240, 6932, 8665, 10398, 12480, 13864, 17330, 20796, 22529, 25995, 27728, 34660, 41592, 45058, 51990, 55456, 67587, 69320, 83184, 90116, 103980, 110912, 112645, 135174, 138640, 166368, 180232, 207960, 225290, 270348, 277280, 332736, 337935, 360464, 415920, 450580, 540696, 554560, 675870, 720928, 831840, 901160, 1081392, 1351740, 1441856, 1663680, 1802320, 2162784, 2703480, 3604640, 4325568, 5406960, 7209280, 10813920, 21627840]

約数ペア:

[(1, 21627840), (2, 10813920), (3, 7209280), (4, 5406960), (5, 4325568), (6, 3604640), (8, 2703480), (10, 2162784), (12, 1802320), (13, 1663680), (15, 1441856), (16, 1351740), (20, 1081392), (24, 901160), (26, 831840), (30, 720928), (32, 675870), (39, 554560), (40, 540696), (48, 450580), (52, 415920), (60, 360464), (64, 337935), (65, 332736), (78, 277280), (80, 270348), (96, 225290), (104, 207960), (120, 180232), (130, 166368), (156, 138640), (160, 135174), (192, 112645), (195, 110912), (208, 103980), (240, 90116), (260, 83184), (312, 69320), (320, 67587), (390, 55456), (416, 51990), (480, 45058), (520, 41592), (624, 34660), (780, 27728), (832, 25995), (960, 22529), (1040, 20796), (1248, 17330), (1560, 13864), (1733, 12480), (2080, 10398), (2496, 8665), (3120, 6932), (3466, 6240), (4160, 5199)]