21834904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 51105600

約数和(自身を除く): 29270696

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 89, 91, 104, 178, 182, 337, 356, 364, 623, 674, 712, 728, 1157, 1246, 1348, 2314, 2359, 2492, 2696, 4381, 4628, 4718, 4984, 8099, 8762, 9256, 9436, 16198, 17524, 18872, 29993, 30667, 32396, 35048, 59986, 61334, 64792, 119972, 122668, 209951, 239944, 245336, 389909, 419902, 779818, 839804, 1559636, 1679608, 2729363, 3119272, 5458726, 10917452, 21834904]

約数ペア:

[(1, 21834904), (2, 10917452), (4, 5458726), (7, 3119272), (8, 2729363), (13, 1679608), (14, 1559636), (26, 839804), (28, 779818), (52, 419902), (56, 389909), (89, 245336), (91, 239944), (104, 209951), (178, 122668), (182, 119972), (337, 64792), (356, 61334), (364, 59986), (623, 35048), (674, 32396), (712, 30667), (728, 29993), (1157, 18872), (1246, 17524), (1348, 16198), (2314, 9436), (2359, 9256), (2492, 8762), (2696, 8099), (4381, 4984), (4628, 4718)]