21014964

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{1753}}^1$

素因数の和:1806

約数の個数: 60

約数和(自身を含む): 56454244

約数和(自身を除く): 35439280

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 324, 333, 444, 666, 999, 1332, 1753, 1998, 2997, 3506, 3996, 5259, 5994, 7012, 10518, 11988, 15777, 21036, 31554, 47331, 63108, 64861, 94662, 129722, 141993, 189324, 194583, 259444, 283986, 389166, 567972, 583749, 778332, 1167498, 1751247, 2334996, 3502494, 5253741, 7004988, 10507482, 21014964]

約数ペア:

[(1, 21014964), (2, 10507482), (3, 7004988), (4, 5253741), (6, 3502494), (9, 2334996), (12, 1751247), (18, 1167498), (27, 778332), (36, 583749), (37, 567972), (54, 389166), (74, 283986), (81, 259444), (108, 194583), (111, 189324), (148, 141993), (162, 129722), (222, 94662), (324, 64861), (333, 63108), (444, 47331), (666, 31554), (999, 21036), (1332, 15777), (1753, 11988), (1998, 10518), (2997, 7012), (3506, 5994), (3996, 5259)]