21690150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{6287}}^1$

素因数の和:6325

約数の個数: 48

約数和(自身を含む): 56139264

約数和(自身を除く): 34449114

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 6287, 12574, 18861, 31435, 37722, 62870, 94305, 144601, 157175, 188610, 289202, 314350, 433803, 471525, 723005, 867606, 943050, 1446010, 2169015, 3615025, 4338030, 7230050, 10845075, 21690150]

約数ペア:

[(1, 21690150), (2, 10845075), (3, 7230050), (5, 4338030), (6, 3615025), (10, 2169015), (15, 1446010), (23, 943050), (25, 867606), (30, 723005), (46, 471525), (50, 433803), (69, 314350), (75, 289202), (115, 188610), (138, 157175), (150, 144601), (230, 94305), (345, 62870), (575, 37722), (690, 31435), (1150, 18861), (1725, 12574), (3450, 6287)]