21314904

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1364

約数の個数: 64

約数和(自身を含む): 58514400

約数和(自身を除く): 37199496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1272, 1289, 1378, 2067, 2578, 2756, 3867, 4134, 5156, 5512, 7734, 8268, 10312, 15468, 16536, 16757, 30936, 33514, 50271, 67028, 68317, 100542, 134056, 136634, 201084, 204951, 273268, 402168, 409902, 546536, 819804, 888121, 1639608, 1776242, 2664363, 3552484, 5328726, 7104968, 10657452, 21314904]

約数ペア:

[(1, 21314904), (2, 10657452), (3, 7104968), (4, 5328726), (6, 3552484), (8, 2664363), (12, 1776242), (13, 1639608), (24, 888121), (26, 819804), (39, 546536), (52, 409902), (53, 402168), (78, 273268), (104, 204951), (106, 201084), (156, 136634), (159, 134056), (212, 100542), (312, 68317), (318, 67028), (424, 50271), (636, 33514), (689, 30936), (1272, 16757), (1289, 16536), (1378, 15468), (2067, 10312), (2578, 8268), (2756, 7734), (3867, 5512), (4134, 5156)]