21000618120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2966189}}^1$

素因数の和:2966262

約数の個数: 64

約数和(自身を含む): 64069704000

約数和(自身を除く): 43069085880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 3540, 7080, 2966189, 5932378, 8898567, 11864756, 14830945, 17797134, 23729512, 29661890, 35594268, 44492835, 59323780, 71188536, 88985670, 118647560, 175005151, 177971340, 350010302, 355942680, 525015453, 700020604, 875025755, 1050030906, 1400041208, 1750051510, 2100061812, 2625077265, 3500103020, 4200123624, 5250154530, 7000206040, 10500309060, 21000618120]

約数ペア:

[(1, 21000618120), (2, 10500309060), (3, 7000206040), (4, 5250154530), (5, 4200123624), (6, 3500103020), (8, 2625077265), (10, 2100061812), (12, 1750051510), (15, 1400041208), (20, 1050030906), (24, 875025755), (30, 700020604), (40, 525015453), (59, 355942680), (60, 350010302), (118, 177971340), (120, 175005151), (177, 118647560), (236, 88985670), (295, 71188536), (354, 59323780), (472, 44492835), (590, 35594268), (708, 29661890), (885, 23729512), (1180, 17797134), (1416, 14830945), (1770, 11864756), (2360, 8898567), (3540, 5932378), (7080, 2966189)]