21817890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4253}}^1$

素因数の和:4288

約数の個数: 64

約数和(自身を含む): 61257600

約数和(自身を除く): 39439710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4253, 5130, 8506, 12759, 21265, 25518, 38277, 42530, 63795, 76554, 80807, 114831, 127590, 161614, 191385, 229662, 242421, 382770, 404035, 484842, 574155, 727263, 808070, 1148310, 1212105, 1454526, 2181789, 2424210, 3636315, 4363578, 7272630, 10908945, 21817890]

約数ペア:

[(1, 21817890), (2, 10908945), (3, 7272630), (5, 4363578), (6, 3636315), (9, 2424210), (10, 2181789), (15, 1454526), (18, 1212105), (19, 1148310), (27, 808070), (30, 727263), (38, 574155), (45, 484842), (54, 404035), (57, 382770), (90, 242421), (95, 229662), (114, 191385), (135, 161614), (171, 127590), (190, 114831), (270, 80807), (285, 76554), (342, 63795), (513, 42530), (570, 38277), (855, 25518), (1026, 21265), (1710, 12759), (2565, 8506), (4253, 5130)]