21915040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1190

約数の個数: 96

約数和(自身を含む): 62705664

約数和(自身を除く): 40790624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1120, 1151, 1190, 1360, 1904, 2302, 2380, 2720, 3808, 4604, 4760, 5755, 8057, 9208, 9520, 11510, 16114, 18416, 19040, 19567, 23020, 32228, 36832, 39134, 40285, 46040, 64456, 78268, 80570, 92080, 97835, 128912, 136969, 156536, 161140, 184160, 195670, 257824, 273938, 313072, 322280, 391340, 547876, 626144, 644560, 684845, 782680, 1095752, 1289120, 1369690, 1565360, 2191504, 2739380, 3130720, 4383008, 5478760, 10957520, 21915040]

約数ペア:

[(1, 21915040), (2, 10957520), (4, 5478760), (5, 4383008), (7, 3130720), (8, 2739380), (10, 2191504), (14, 1565360), (16, 1369690), (17, 1289120), (20, 1095752), (28, 782680), (32, 684845), (34, 644560), (35, 626144), (40, 547876), (56, 391340), (68, 322280), (70, 313072), (80, 273938), (85, 257824), (112, 195670), (119, 184160), (136, 161140), (140, 156536), (160, 136969), (170, 128912), (224, 97835), (238, 92080), (272, 80570), (280, 78268), (340, 64456), (476, 46040), (544, 40285), (560, 39134), (595, 36832), (680, 32228), (952, 23020), (1120, 19567), (1151, 19040), (1190, 18416), (1360, 16114), (1904, 11510), (2302, 9520), (2380, 9208), (2720, 8057), (3808, 5755), (4604, 4760)]