21818214

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1642

約数の個数: 64

約数和(自身を含む): 55226880

約数和(自身を除く): 33408666

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 99, 138, 198, 207, 253, 297, 414, 506, 594, 621, 759, 1242, 1518, 1597, 2277, 3194, 4554, 4791, 6831, 9582, 13662, 14373, 17567, 28746, 35134, 36731, 43119, 52701, 73462, 86238, 105402, 110193, 158103, 220386, 316206, 330579, 404041, 474309, 661158, 808082, 948618, 991737, 1212123, 1983474, 2424246, 3636369, 7272738, 10909107, 21818214]

約数ペア:

[(1, 21818214), (2, 10909107), (3, 7272738), (6, 3636369), (9, 2424246), (11, 1983474), (18, 1212123), (22, 991737), (23, 948618), (27, 808082), (33, 661158), (46, 474309), (54, 404041), (66, 330579), (69, 316206), (99, 220386), (138, 158103), (198, 110193), (207, 105402), (253, 86238), (297, 73462), (414, 52701), (506, 43119), (594, 36731), (621, 35134), (759, 28746), (1242, 17567), (1518, 14373), (1597, 13662), (2277, 9582), (3194, 6831), (4554, 4791)]