21002088

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 54884160

約数和(自身を除く): 33882072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 67, 74, 111, 134, 148, 201, 222, 268, 296, 353, 402, 444, 536, 706, 804, 888, 1059, 1412, 1608, 2118, 2479, 2824, 4236, 4958, 7437, 8472, 9916, 13061, 14874, 19832, 23651, 26122, 29748, 39183, 47302, 52244, 59496, 70953, 78366, 94604, 104488, 141906, 156732, 189208, 283812, 313464, 567624, 875087, 1750174, 2625261, 3500348, 5250522, 7000696, 10501044, 21002088]

約数ペア:

[(1, 21002088), (2, 10501044), (3, 7000696), (4, 5250522), (6, 3500348), (8, 2625261), (12, 1750174), (24, 875087), (37, 567624), (67, 313464), (74, 283812), (111, 189208), (134, 156732), (148, 141906), (201, 104488), (222, 94604), (268, 78366), (296, 70953), (353, 59496), (402, 52244), (444, 47302), (536, 39183), (706, 29748), (804, 26122), (888, 23651), (1059, 19832), (1412, 14874), (1608, 13061), (2118, 9916), (2479, 8472), (2824, 7437), (4236, 4958)]