21701850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{971}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 54237600

約数和(自身を除く): 32535750

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 149, 150, 298, 447, 745, 894, 971, 1490, 1942, 2235, 2913, 3725, 4470, 4855, 5826, 7450, 9710, 11175, 14565, 22350, 24275, 29130, 48550, 72825, 144679, 145650, 289358, 434037, 723395, 868074, 1446790, 2170185, 3616975, 4340370, 7233950, 10850925, 21701850]

約数ペア:

[(1, 21701850), (2, 10850925), (3, 7233950), (5, 4340370), (6, 3616975), (10, 2170185), (15, 1446790), (25, 868074), (30, 723395), (50, 434037), (75, 289358), (149, 145650), (150, 144679), (298, 72825), (447, 48550), (745, 29130), (894, 24275), (971, 22350), (1490, 14565), (1942, 11175), (2235, 9710), (2913, 7450), (3725, 5826), (4470, 4855)]