21463785

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 45023616

約数和(自身を除く): 23559831

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 81, 105, 113, 135, 189, 201, 315, 335, 339, 405, 469, 565, 567, 603, 791, 945, 1005, 1017, 1407, 1695, 1809, 2345, 2373, 2835, 3015, 3051, 3955, 4221, 5085, 5427, 7035, 7119, 7571, 9045, 9153, 11865, 12663, 15255, 21105, 21357, 22713, 27135, 35595, 37855, 37989, 45765, 52997, 63315, 64071, 68139, 106785, 113565, 158991, 189945, 204417, 264985, 320355, 340695, 476973, 613251, 794955, 1022085, 1430919, 2384865, 3066255, 4292757, 7154595, 21463785]

約数ペア:

[(1, 21463785), (3, 7154595), (5, 4292757), (7, 3066255), (9, 2384865), (15, 1430919), (21, 1022085), (27, 794955), (35, 613251), (45, 476973), (63, 340695), (67, 320355), (81, 264985), (105, 204417), (113, 189945), (135, 158991), (189, 113565), (201, 106785), (315, 68139), (335, 64071), (339, 63315), (405, 52997), (469, 45765), (565, 37989), (567, 37855), (603, 35595), (791, 27135), (945, 22713), (1005, 21357), (1017, 21105), (1407, 15255), (1695, 12663), (1809, 11865), (2345, 9153), (2373, 9045), (2835, 7571), (3015, 7119), (3051, 7035), (3955, 5427), (4221, 5085)]