21993972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1831}}^1$

素因数の和:1869

約数の個数: 96

約数和(自身を含む): 68941824

約数和(自身を除く): 46947852

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 1831, 2002, 3003, 3662, 4004, 5493, 6006, 7324, 10986, 12012, 12817, 20141, 21972, 23803, 25634, 38451, 40282, 47606, 51268, 60423, 71409, 76902, 80564, 95212, 120846, 140987, 142818, 153804, 166621, 241692, 261833, 281974, 285636, 333242, 422961, 499863, 523666, 563948, 666484, 785499, 845922, 999726, 1047332, 1570998, 1691844, 1832831, 1999452, 3141996, 3665662, 5498493, 7331324, 10996986, 21993972]

約数ペア:

[(1, 21993972), (2, 10996986), (3, 7331324), (4, 5498493), (6, 3665662), (7, 3141996), (11, 1999452), (12, 1832831), (13, 1691844), (14, 1570998), (21, 1047332), (22, 999726), (26, 845922), (28, 785499), (33, 666484), (39, 563948), (42, 523666), (44, 499863), (52, 422961), (66, 333242), (77, 285636), (78, 281974), (84, 261833), (91, 241692), (132, 166621), (143, 153804), (154, 142818), (156, 140987), (182, 120846), (231, 95212), (273, 80564), (286, 76902), (308, 71409), (364, 60423), (429, 51268), (462, 47606), (546, 40282), (572, 38451), (858, 25634), (924, 23803), (1001, 21972), (1092, 20141), (1716, 12817), (1831, 12012), (2002, 10986), (3003, 7324), (3662, 6006), (4004, 5493)]