21193500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41705700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 71, 75, 100, 125, 142, 150, 199, 213, 250, 284, 300, 355, 375, 398, 426, 500, 597, 710, 750, 796, 852, 995, 1065, 1194, 1420, 1500, 1775, 1990, 2130, 2388, 2985, 3550, 3980, 4260, 4975, 5325, 5970, 7100, 8875, 9950, 10650, 11940, 14129, 14925, 17750, 19900, 21300, 24875, 26625, 28258, 29850, 35500, 42387, 49750, 53250, 56516, 59700, 70645, 74625, 84774, 99500, 106500, 141290, 149250, 169548, 211935, 282580, 298500, 353225, 423870, 706450, 847740, 1059675, 1412900, 1766125, 2119350, 3532250, 4238700, 5298375, 7064500, 10596750, 21193500]

約数ペア:

[(1, 21193500), (2, 10596750), (3, 7064500), (4, 5298375), (5, 4238700), (6, 3532250), (10, 2119350), (12, 1766125), (15, 1412900), (20, 1059675), (25, 847740), (30, 706450), (50, 423870), (60, 353225), (71, 298500), (75, 282580), (100, 211935), (125, 169548), (142, 149250), (150, 141290), (199, 106500), (213, 99500), (250, 84774), (284, 74625), (300, 70645), (355, 59700), (375, 56516), (398, 53250), (426, 49750), (500, 42387), (597, 35500), (710, 29850), (750, 28258), (796, 26625), (852, 24875), (995, 21300), (1065, 19900), (1194, 17750), (1420, 14925), (1500, 14129), (1775, 11940), (1990, 10650), (2130, 9950), (2388, 8875), (2985, 7100), (3550, 5970), (3980, 5325), (4260, 4975)]