21672300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5557}}^1$

素因数の和:5587

約数の個数: 72

約数和(自身を含む): 67540816

約数和(自身を除く): 45868516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5557, 11114, 16671, 22228, 27785, 33342, 55570, 66684, 72241, 83355, 111140, 138925, 144482, 166710, 216723, 277850, 288964, 333420, 361205, 416775, 433446, 555700, 722410, 833550, 866892, 1083615, 1444820, 1667100, 1806025, 2167230, 3612050, 4334460, 5418075, 7224100, 10836150, 21672300]

約数ペア:

[(1, 21672300), (2, 10836150), (3, 7224100), (4, 5418075), (5, 4334460), (6, 3612050), (10, 2167230), (12, 1806025), (13, 1667100), (15, 1444820), (20, 1083615), (25, 866892), (26, 833550), (30, 722410), (39, 555700), (50, 433446), (52, 416775), (60, 361205), (65, 333420), (75, 288964), (78, 277850), (100, 216723), (130, 166710), (150, 144482), (156, 138925), (195, 111140), (260, 83355), (300, 72241), (325, 66684), (390, 55570), (650, 33342), (780, 27785), (975, 22228), (1300, 16671), (1950, 11114), (3900, 5557)]