21447060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2399}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 60480000

約数和(自身を除く): 39032940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2399, 2980, 4470, 4798, 7197, 8940, 9596, 11995, 14394, 23990, 28788, 35985, 47980, 71970, 143940, 357451, 714902, 1072353, 1429804, 1787255, 2144706, 3574510, 4289412, 5361765, 7149020, 10723530, 21447060]

約数ペア:

[(1, 21447060), (2, 10723530), (3, 7149020), (4, 5361765), (5, 4289412), (6, 3574510), (10, 2144706), (12, 1787255), (15, 1429804), (20, 1072353), (30, 714902), (60, 357451), (149, 143940), (298, 71970), (447, 47980), (596, 35985), (745, 28788), (894, 23990), (1490, 14394), (1788, 11995), (2235, 9596), (2399, 8940), (2980, 7197), (4470, 4798)]