21670750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{5099}}^1$

素因数の和:5133

約数の個数: 32

約数和(自身を含む): 42962400

約数和(自身を除く): 21291650

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 5099, 10198, 25495, 50990, 86683, 127475, 173366, 254950, 433415, 637375, 866830, 1274750, 2167075, 4334150, 10835375, 21670750]

約数ペア:

[(1, 21670750), (2, 10835375), (5, 4334150), (10, 2167075), (17, 1274750), (25, 866830), (34, 637375), (50, 433415), (85, 254950), (125, 173366), (170, 127475), (250, 86683), (425, 50990), (850, 25495), (2125, 10198), (4250, 5099)]