21974520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1229}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 66420000

約数和(自身を除く): 44445480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1229, 1490, 1788, 2235, 2458, 2980, 3576, 3687, 4470, 4916, 5960, 6145, 7374, 8940, 9832, 12290, 14748, 17880, 18435, 24580, 29496, 36870, 49160, 73740, 147480, 183121, 366242, 549363, 732484, 915605, 1098726, 1464968, 1831210, 2197452, 2746815, 3662420, 4394904, 5493630, 7324840, 10987260, 21974520]

約数ペア:

[(1, 21974520), (2, 10987260), (3, 7324840), (4, 5493630), (5, 4394904), (6, 3662420), (8, 2746815), (10, 2197452), (12, 1831210), (15, 1464968), (20, 1098726), (24, 915605), (30, 732484), (40, 549363), (60, 366242), (120, 183121), (149, 147480), (298, 73740), (447, 49160), (596, 36870), (745, 29496), (894, 24580), (1192, 18435), (1229, 17880), (1490, 14748), (1788, 12290), (2235, 9832), (2458, 8940), (2980, 7374), (3576, 6145), (3687, 5960), (4470, 4916)]