21631650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 72

約数和(自身を含む): 57102000

約数和(自身を除く): 35470350

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 289, 425, 499, 510, 578, 850, 867, 998, 1275, 1445, 1497, 1734, 2495, 2550, 2890, 2994, 4335, 4990, 7225, 7485, 8483, 8670, 12475, 14450, 14970, 16966, 21675, 24950, 25449, 37425, 42415, 43350, 50898, 74850, 84830, 127245, 144211, 212075, 254490, 288422, 424150, 432633, 636225, 721055, 865266, 1272450, 1442110, 2163165, 3605275, 4326330, 7210550, 10815825, 21631650]

約数ペア:

[(1, 21631650), (2, 10815825), (3, 7210550), (5, 4326330), (6, 3605275), (10, 2163165), (15, 1442110), (17, 1272450), (25, 865266), (30, 721055), (34, 636225), (50, 432633), (51, 424150), (75, 288422), (85, 254490), (102, 212075), (150, 144211), (170, 127245), (255, 84830), (289, 74850), (425, 50898), (499, 43350), (510, 42415), (578, 37425), (850, 25449), (867, 24950), (998, 21675), (1275, 16966), (1445, 14970), (1497, 14450), (1734, 12475), (2495, 8670), (2550, 8483), (2890, 7485), (2994, 7225), (4335, 4990)]