21526250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1052

約数の個数: 40

約数和(自身を含む): 42764436

約数和(自身を除く): 21238186

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 850, 1013, 1250, 2026, 2125, 4250, 5065, 10130, 10625, 17221, 21250, 25325, 34442, 50650, 86105, 126625, 172210, 253250, 430525, 633125, 861050, 1266250, 2152625, 4305250, 10763125, 21526250]

約数ペア:

[(1, 21526250), (2, 10763125), (5, 4305250), (10, 2152625), (17, 1266250), (25, 861050), (34, 633125), (50, 430525), (85, 253250), (125, 172210), (170, 126625), (250, 86105), (425, 50650), (625, 34442), (850, 25325), (1013, 21250), (1250, 17221), (2026, 10625), (2125, 10130), (4250, 5065)]