21927680

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 54059712

約数和(自身を除く): 32132032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 463, 592, 640, 740, 926, 1184, 1280, 1480, 1852, 2315, 2368, 2960, 3704, 4630, 4736, 5920, 7408, 9260, 9472, 11840, 14816, 17131, 18520, 23680, 29632, 34262, 37040, 47360, 59264, 68524, 74080, 85655, 118528, 137048, 148160, 171310, 274096, 296320, 342620, 548192, 592640, 685240, 1096384, 1370480, 2192768, 2740960, 4385536, 5481920, 10963840, 21927680]

約数ペア:

[(1, 21927680), (2, 10963840), (4, 5481920), (5, 4385536), (8, 2740960), (10, 2192768), (16, 1370480), (20, 1096384), (32, 685240), (37, 592640), (40, 548192), (64, 342620), (74, 296320), (80, 274096), (128, 171310), (148, 148160), (160, 137048), (185, 118528), (256, 85655), (296, 74080), (320, 68524), (370, 59264), (463, 47360), (592, 37040), (640, 34262), (740, 29632), (926, 23680), (1184, 18520), (1280, 17131), (1480, 14816), (1852, 11840), (2315, 9472), (2368, 9260), (2960, 7408), (3704, 5920), (4630, 4736)]