21791994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1379

約数の個数: 64

約数和(自身を含む): 55074816

約数和(自身を除く): 33282822

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 42, 46, 51, 69, 102, 119, 138, 161, 238, 322, 357, 391, 483, 714, 782, 966, 1173, 1327, 2346, 2654, 2737, 3981, 5474, 7962, 8211, 9289, 16422, 18578, 22559, 27867, 30521, 45118, 55734, 61042, 67677, 91563, 135354, 157913, 183126, 213647, 315826, 427294, 473739, 518857, 640941, 947478, 1037714, 1281882, 1556571, 3113142, 3631999, 7263998, 10895997, 21791994]

約数ペア:

[(1, 21791994), (2, 10895997), (3, 7263998), (6, 3631999), (7, 3113142), (14, 1556571), (17, 1281882), (21, 1037714), (23, 947478), (34, 640941), (42, 518857), (46, 473739), (51, 427294), (69, 315826), (102, 213647), (119, 183126), (138, 157913), (161, 135354), (238, 91563), (322, 67677), (357, 61042), (391, 55734), (483, 45118), (714, 30521), (782, 27867), (966, 22559), (1173, 18578), (1327, 16422), (2346, 9289), (2654, 8211), (2737, 7962), (3981, 5474)]