21596060

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7247}}^1$

素因数の和:7405

約数の個数: 24

約数和(自身を含む): 45662400

約数和(自身を除く): 24066340

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 7247, 14494, 28988, 36235, 72470, 144940, 1079803, 2159606, 4319212, 5399015, 10798030, 21596060]

約数ペア:

[(1, 21596060), (2, 10798030), (4, 5399015), (5, 4319212), (10, 2159606), (20, 1079803), (149, 144940), (298, 72470), (596, 36235), (745, 28988), (1490, 14494), (2980, 7247)]