21175057920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2757169}}^1$

素因数の和:2757195

約数の個数: 80

約数和(自身を含む): 67694037840

約数和(自身を除く): 46518979920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 2757169, 5514338, 8271507, 11028676, 13785845, 16543014, 22057352, 27571690, 33086028, 41357535, 44114704, 55143380, 66172056, 82715070, 88229408, 110286760, 132344112, 165430140, 176458816, 220573520, 264688224, 330860280, 352917632, 441147040, 529376448, 661720560, 705835264, 882294080, 1058752896, 1323441120, 1411670528, 1764588160, 2117505792, 2646882240, 3529176320, 4235011584, 5293764480, 7058352640, 10587528960, 21175057920]

約数ペア:

[(1, 21175057920), (2, 10587528960), (3, 7058352640), (4, 5293764480), (5, 4235011584), (6, 3529176320), (8, 2646882240), (10, 2117505792), (12, 1764588160), (15, 1411670528), (16, 1323441120), (20, 1058752896), (24, 882294080), (30, 705835264), (32, 661720560), (40, 529376448), (48, 441147040), (60, 352917632), (64, 330860280), (80, 264688224), (96, 220573520), (120, 176458816), (128, 165430140), (160, 132344112), (192, 110286760), (240, 88229408), (256, 82715070), (320, 66172056), (384, 55143380), (480, 44114704), (512, 41357535), (640, 33086028), (768, 27571690), (960, 22057352), (1280, 16543014), (1536, 13785845), (1920, 11028676), (2560, 8271507), (3840, 5514338), (7680, 2757169)]