21172500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{941}}^1$

素因数の和:971

約数の個数: 90

約数和(自身を含む): 66948882

約数和(自身を除く): 45776382

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 941, 1125, 1250, 1500, 1875, 1882, 2250, 2500, 2823, 3750, 3764, 4500, 4705, 5625, 5646, 7500, 8469, 9410, 11250, 11292, 14115, 16938, 18820, 22500, 23525, 28230, 33876, 42345, 47050, 56460, 70575, 84690, 94100, 117625, 141150, 169380, 211725, 235250, 282300, 352875, 423450, 470500, 588125, 705750, 846900, 1058625, 1176250, 1411500, 1764375, 2117250, 2352500, 3528750, 4234500, 5293125, 7057500, 10586250, 21172500]

約数ペア:

[(1, 21172500), (2, 10586250), (3, 7057500), (4, 5293125), (5, 4234500), (6, 3528750), (9, 2352500), (10, 2117250), (12, 1764375), (15, 1411500), (18, 1176250), (20, 1058625), (25, 846900), (30, 705750), (36, 588125), (45, 470500), (50, 423450), (60, 352875), (75, 282300), (90, 235250), (100, 211725), (125, 169380), (150, 141150), (180, 117625), (225, 94100), (250, 84690), (300, 70575), (375, 56460), (450, 47050), (500, 42345), (625, 33876), (750, 28230), (900, 23525), (941, 22500), (1125, 18820), (1250, 16938), (1500, 14115), (1875, 11292), (1882, 11250), (2250, 9410), (2500, 8469), (2823, 7500), (3750, 5646), (3764, 5625), (4500, 4705)]