213818514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20611}}^1$

素因数の和:20655

約数の個数: 64

約数和(自身を含む): 554050560

約数和(自身を除く): 340232046

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 20611, 41222, 61833, 123666, 144277, 267943, 288554, 391609, 432831, 535886, 783218, 803829, 865662, 1174827, 1607658, 1875601, 2349654, 2741263, 3751202, 5090917, 5482526, 5626803, 8223789, 10181834, 11253606, 15272751, 16447578, 30545502, 35636419, 71272838, 106909257, 213818514]

約数ペア:

[(1, 213818514), (2, 106909257), (3, 71272838), (6, 35636419), (7, 30545502), (13, 16447578), (14, 15272751), (19, 11253606), (21, 10181834), (26, 8223789), (38, 5626803), (39, 5482526), (42, 5090917), (57, 3751202), (78, 2741263), (91, 2349654), (114, 1875601), (133, 1607658), (182, 1174827), (247, 865662), (266, 803829), (273, 783218), (399, 535886), (494, 432831), (546, 391609), (741, 288554), (798, 267943), (1482, 144277), (1729, 123666), (3458, 61833), (5187, 41222), (10374, 20611)]