21935950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 43751664

約数和(自身を除く): 21815714

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 131, 170, 197, 262, 394, 425, 655, 850, 985, 1310, 1970, 2227, 3275, 3349, 4454, 4925, 6550, 6698, 9850, 11135, 16745, 22270, 25807, 33490, 51614, 55675, 83725, 111350, 129035, 167450, 258070, 438719, 645175, 877438, 1290350, 2193595, 4387190, 10967975, 21935950]

約数ペア:

[(1, 21935950), (2, 10967975), (5, 4387190), (10, 2193595), (17, 1290350), (25, 877438), (34, 645175), (50, 438719), (85, 258070), (131, 167450), (170, 129035), (197, 111350), (262, 83725), (394, 55675), (425, 51614), (655, 33490), (850, 25807), (985, 22270), (1310, 16745), (1970, 11135), (2227, 9850), (3275, 6698), (3349, 6550), (4454, 4925)]