21960150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:817

約数の個数: 48

約数和(自身を含む): 54759888

約数和(自身を除く): 32799738

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 281, 521, 562, 843, 1042, 1405, 1563, 1686, 2605, 2810, 3126, 4215, 5210, 7025, 7815, 8430, 13025, 14050, 15630, 21075, 26050, 39075, 42150, 78150, 146401, 292802, 439203, 732005, 878406, 1464010, 2196015, 3660025, 4392030, 7320050, 10980075, 21960150]

約数ペア:

[(1, 21960150), (2, 10980075), (3, 7320050), (5, 4392030), (6, 3660025), (10, 2196015), (15, 1464010), (25, 878406), (30, 732005), (50, 439203), (75, 292802), (150, 146401), (281, 78150), (521, 42150), (562, 39075), (843, 26050), (1042, 21075), (1405, 15630), (1563, 14050), (1686, 13025), (2605, 8430), (2810, 7815), (3126, 7025), (4215, 5210)]