21573864784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{416291}}^1$

素因数の和:416419

約数の個数: 40

約数和(自身を含む): 43360974720

約数和(自身を除く): 21787109936

約数列:

[1, 2, 4, 8, 16, 41, 79, 82, 158, 164, 316, 328, 632, 656, 1264, 3239, 6478, 12956, 25912, 51824, 416291, 832582, 1665164, 3330328, 6660656, 17067931, 32886989, 34135862, 65773978, 68271724, 131547956, 136543448, 263095912, 273086896, 526191824, 1348366549, 2696733098, 5393466196, 10786932392, 21573864784]

約数ペア:

[(1, 21573864784), (2, 10786932392), (4, 5393466196), (8, 2696733098), (16, 1348366549), (41, 526191824), (79, 273086896), (82, 263095912), (158, 136543448), (164, 131547956), (316, 68271724), (328, 65773978), (632, 34135862), (656, 32886989), (1264, 17067931), (3239, 6660656), (6478, 3330328), (12956, 1665164), (25912, 832582), (51824, 416291)]