21266150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 42425856

約数和(自身を除く): 21159706

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 127, 170, 197, 254, 394, 425, 635, 850, 985, 1270, 1970, 2159, 3175, 3349, 4318, 4925, 6350, 6698, 9850, 10795, 16745, 21590, 25019, 33490, 50038, 53975, 83725, 107950, 125095, 167450, 250190, 425323, 625475, 850646, 1250950, 2126615, 4253230, 10633075, 21266150]

約数ペア:

[(1, 21266150), (2, 10633075), (5, 4253230), (10, 2126615), (17, 1250950), (25, 850646), (34, 625475), (50, 425323), (85, 250190), (127, 167450), (170, 125095), (197, 107950), (254, 83725), (394, 53975), (425, 50038), (635, 33490), (850, 25019), (985, 21590), (1270, 16745), (1970, 10795), (2159, 9850), (3175, 6698), (3349, 6350), (4318, 4925)]