21818490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 55351296

約数和(自身を除く): 33532806

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 103, 115, 138, 206, 230, 307, 309, 345, 515, 614, 618, 690, 921, 1030, 1535, 1545, 1842, 2369, 3070, 3090, 4605, 4738, 7061, 7107, 9210, 11845, 14122, 14214, 21183, 23690, 31621, 35305, 35535, 42366, 63242, 70610, 71070, 94863, 105915, 158105, 189726, 211830, 316210, 474315, 727283, 948630, 1454566, 2181849, 3636415, 4363698, 7272830, 10909245, 21818490]

約数ペア:

[(1, 21818490), (2, 10909245), (3, 7272830), (5, 4363698), (6, 3636415), (10, 2181849), (15, 1454566), (23, 948630), (30, 727283), (46, 474315), (69, 316210), (103, 211830), (115, 189726), (138, 158105), (206, 105915), (230, 94863), (307, 71070), (309, 70610), (345, 63242), (515, 42366), (614, 35535), (618, 35305), (690, 31621), (921, 23690), (1030, 21183), (1535, 14214), (1545, 14122), (1842, 11845), (2369, 9210), (3070, 7107), (3090, 7061), (4605, 4738)]