21935450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 20811814

約数列:

[1, 2, 5, 10, 25, 37, 50, 71, 74, 142, 167, 185, 334, 355, 370, 710, 835, 925, 1670, 1775, 1850, 2627, 3550, 4175, 5254, 6179, 8350, 11857, 12358, 13135, 23714, 26270, 30895, 59285, 61790, 65675, 118570, 131350, 154475, 296425, 308950, 438709, 592850, 877418, 2193545, 4387090, 10967725, 21935450]

約数ペア:

[(1, 21935450), (2, 10967725), (5, 4387090), (10, 2193545), (25, 877418), (37, 592850), (50, 438709), (71, 308950), (74, 296425), (142, 154475), (167, 131350), (185, 118570), (334, 65675), (355, 61790), (370, 59285), (710, 30895), (835, 26270), (925, 23714), (1670, 13135), (1775, 12358), (1850, 11857), (2627, 8350), (3550, 6179), (4175, 5254)]