21973744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1$

素因数の和:1297

約数の個数: 40

約数和(自身を含む): 46403280

約数和(自身を除く): 24429536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1187, 1424, 2314, 2374, 4628, 4748, 9256, 9496, 15431, 18512, 18992, 30862, 61724, 105643, 123448, 211286, 246896, 422572, 845144, 1373359, 1690288, 2746718, 5493436, 10986872, 21973744]

約数ペア:

[(1, 21973744), (2, 10986872), (4, 5493436), (8, 2746718), (13, 1690288), (16, 1373359), (26, 845144), (52, 422572), (89, 246896), (104, 211286), (178, 123448), (208, 105643), (356, 61724), (712, 30862), (1157, 18992), (1187, 18512), (1424, 15431), (2314, 9496), (2374, 9256), (4628, 4748)]