21173700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 61780768

約数和(自身を除く): 40607068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 163, 300, 326, 433, 489, 652, 815, 866, 978, 1299, 1630, 1732, 1956, 2165, 2445, 2598, 3260, 4075, 4330, 4890, 5196, 6495, 8150, 8660, 9780, 10825, 12225, 12990, 16300, 21650, 24450, 25980, 32475, 43300, 48900, 64950, 70579, 129900, 141158, 211737, 282316, 352895, 423474, 705790, 846948, 1058685, 1411580, 1764475, 2117370, 3528950, 4234740, 5293425, 7057900, 10586850, 21173700]

約数ペア:

[(1, 21173700), (2, 10586850), (3, 7057900), (4, 5293425), (5, 4234740), (6, 3528950), (10, 2117370), (12, 1764475), (15, 1411580), (20, 1058685), (25, 846948), (30, 705790), (50, 423474), (60, 352895), (75, 282316), (100, 211737), (150, 141158), (163, 129900), (300, 70579), (326, 64950), (433, 48900), (489, 43300), (652, 32475), (815, 25980), (866, 24450), (978, 21650), (1299, 16300), (1630, 12990), (1732, 12225), (1956, 10825), (2165, 9780), (2445, 8660), (2598, 8150), (3260, 6495), (4075, 5196), (4330, 4890)]