21982158

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 33659442

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, 1609, 2277, 3218, 4554, 4827, 6831, 9654, 13662, 14481, 17699, 28962, 35398, 37007, 43443, 53097, 74014, 86886, 106194, 111021, 159291, 222042, 318582, 333063, 407077, 477873, 666126, 814154, 955746, 999189, 1221231, 1998378, 2442462, 3663693, 7327386, 10991079, 21982158]

約数ペア:

[(1, 21982158), (2, 10991079), (3, 7327386), (6, 3663693), (9, 2442462), (11, 1998378), (18, 1221231), (22, 999189), (23, 955746), (27, 814154), (33, 666126), (46, 477873), (54, 407077), (66, 333063), (69, 318582), (99, 222042), (138, 159291), (198, 111021), (207, 106194), (253, 86886), (297, 74014), (414, 53097), (506, 43443), (594, 37007), (621, 35398), (759, 28962), (1242, 17699), (1518, 14481), (1609, 13662), (2277, 9654), (3218, 6831), (4554, 4827)]