21882750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 55261440

約数和(自身を除く): 33378690

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 163, 179, 250, 326, 358, 375, 489, 537, 750, 815, 895, 978, 1074, 1630, 1790, 2445, 2685, 4075, 4475, 4890, 5370, 8150, 8950, 12225, 13425, 20375, 22375, 24450, 26850, 29177, 40750, 44750, 58354, 61125, 67125, 87531, 122250, 134250, 145885, 175062, 291770, 437655, 729425, 875310, 1458850, 2188275, 3647125, 4376550, 7294250, 10941375, 21882750]

約数ペア:

[(1, 21882750), (2, 10941375), (3, 7294250), (5, 4376550), (6, 3647125), (10, 2188275), (15, 1458850), (25, 875310), (30, 729425), (50, 437655), (75, 291770), (125, 175062), (150, 145885), (163, 134250), (179, 122250), (250, 87531), (326, 67125), (358, 61125), (375, 58354), (489, 44750), (537, 40750), (750, 29177), (815, 26850), (895, 24450), (978, 22375), (1074, 20375), (1630, 13425), (1790, 12225), (2445, 8950), (2685, 8150), (4075, 5370), (4475, 4890)]