21618120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3833}}^1$

素因数の和:3894

約数の個数: 64

約数和(自身を含む): 66251520

約数和(自身を除く): 44633400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3833, 5640, 7666, 11499, 15332, 19165, 22998, 30664, 38330, 45996, 57495, 76660, 91992, 114990, 153320, 180151, 229980, 360302, 459960, 540453, 720604, 900755, 1080906, 1441208, 1801510, 2161812, 2702265, 3603020, 4323624, 5404530, 7206040, 10809060, 21618120]

約数ペア:

[(1, 21618120), (2, 10809060), (3, 7206040), (4, 5404530), (5, 4323624), (6, 3603020), (8, 2702265), (10, 2161812), (12, 1801510), (15, 1441208), (20, 1080906), (24, 900755), (30, 720604), (40, 540453), (47, 459960), (60, 360302), (94, 229980), (120, 180151), (141, 153320), (188, 114990), (235, 91992), (282, 76660), (376, 57495), (470, 45996), (564, 38330), (705, 30664), (940, 22998), (1128, 19165), (1410, 15332), (1880, 11499), (2820, 7666), (3833, 5640)]