21275928

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2711}}^1$

素因数の和:2832

約数の個数: 48

約数和(自身を含む): 58172400

約数和(自身を除く): 36896472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 2711, 3924, 5422, 7848, 8133, 10844, 16266, 21688, 24399, 32532, 48798, 65064, 97596, 195192, 295499, 590998, 886497, 1181996, 1772994, 2363992, 2659491, 3545988, 5318982, 7091976, 10637964, 21275928]

約数ペア:

[(1, 21275928), (2, 10637964), (3, 7091976), (4, 5318982), (6, 3545988), (8, 2659491), (9, 2363992), (12, 1772994), (18, 1181996), (24, 886497), (36, 590998), (72, 295499), (109, 195192), (218, 97596), (327, 65064), (436, 48798), (654, 32532), (872, 24399), (981, 21688), (1308, 16266), (1962, 10844), (2616, 8133), (2711, 7848), (3924, 5422)]