21213971520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3156841}}^1$

素因数の和:3156868

約数の個数: 112

約数和(自身を含む): 76976435328

約数和(自身を除く): 55762463808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 3156841, 6313682, 9470523, 12627364, 15784205, 18941046, 22097887, 25254728, 31568410, 37882092, 44195774, 47352615, 50509456, 63136820, 66293661, 75764184, 88391548, 94705230, 101018912, 110489435, 126273640, 132587322, 151528368, 176783096, 189410460, 202037824, 220978870, 252547280, 265174644, 303056736, 331468305, 353566192, 378820920, 441957740, 505094560, 530349288, 606113472, 662936610, 707132384, 757641840, 883915480, 1010189120, 1060698576, 1325873220, 1414264768, 1515283680, 1767830960, 2121397152, 2651746440, 3030567360, 3535661920, 4242794304, 5303492880, 7071323840, 10606985760, 21213971520]

約数ペア:

[(1, 21213971520), (2, 10606985760), (3, 7071323840), (4, 5303492880), (5, 4242794304), (6, 3535661920), (7, 3030567360), (8, 2651746440), (10, 2121397152), (12, 1767830960), (14, 1515283680), (15, 1414264768), (16, 1325873220), (20, 1060698576), (21, 1010189120), (24, 883915480), (28, 757641840), (30, 707132384), (32, 662936610), (35, 606113472), (40, 530349288), (42, 505094560), (48, 441957740), (56, 378820920), (60, 353566192), (64, 331468305), (70, 303056736), (80, 265174644), (84, 252547280), (96, 220978870), (105, 202037824), (112, 189410460), (120, 176783096), (140, 151528368), (160, 132587322), (168, 126273640), (192, 110489435), (210, 101018912), (224, 94705230), (240, 88391548), (280, 75764184), (320, 66293661), (336, 63136820), (420, 50509456), (448, 47352615), (480, 44195774), (560, 37882092), (672, 31568410), (840, 25254728), (960, 22097887), (1120, 18941046), (1344, 15784205), (1680, 12627364), (2240, 9470523), (3360, 6313682), (6720, 3156841)]