21335520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44449}}^1$

素因数の和:44467

約数の個数: 48

約数和(自身を含む): 67208400

約数和(自身を除く): 45872880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44449, 88898, 133347, 177796, 222245, 266694, 355592, 444490, 533388, 666735, 711184, 888980, 1066776, 1333470, 1422368, 1777960, 2133552, 2666940, 3555920, 4267104, 5333880, 7111840, 10667760, 21335520]

約数ペア:

[(1, 21335520), (2, 10667760), (3, 7111840), (4, 5333880), (5, 4267104), (6, 3555920), (8, 2666940), (10, 2133552), (12, 1777960), (15, 1422368), (16, 1333470), (20, 1066776), (24, 888980), (30, 711184), (32, 666735), (40, 533388), (48, 444490), (60, 355592), (80, 266694), (96, 222245), (120, 177796), (160, 133347), (240, 88898), (480, 44449)]