21411300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 62496000

約数和(自身を除く): 41084700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 149, 150, 298, 300, 447, 479, 596, 745, 894, 958, 1437, 1490, 1788, 1916, 2235, 2395, 2874, 2980, 3725, 4470, 4790, 5748, 7185, 7450, 8940, 9580, 11175, 11975, 14370, 14900, 22350, 23950, 28740, 35925, 44700, 47900, 71371, 71850, 142742, 143700, 214113, 285484, 356855, 428226, 713710, 856452, 1070565, 1427420, 1784275, 2141130, 3568550, 4282260, 5352825, 7137100, 10705650, 21411300]

約数ペア:

[(1, 21411300), (2, 10705650), (3, 7137100), (4, 5352825), (5, 4282260), (6, 3568550), (10, 2141130), (12, 1784275), (15, 1427420), (20, 1070565), (25, 856452), (30, 713710), (50, 428226), (60, 356855), (75, 285484), (100, 214113), (149, 143700), (150, 142742), (298, 71850), (300, 71371), (447, 47900), (479, 44700), (596, 35925), (745, 28740), (894, 23950), (958, 22350), (1437, 14900), (1490, 14370), (1788, 11975), (1916, 11175), (2235, 9580), (2395, 8940), (2874, 7450), (2980, 7185), (3725, 5748), (4470, 4790)]