21494232

素因数分解:

$2^3\times 3^2\times {\mathrm{487}}^1\times {\mathrm{613}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 58428240

約数和(自身を除く): 36934008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 487, 613, 974, 1226, 1461, 1839, 1948, 2452, 2922, 3678, 3896, 4383, 4904, 5517, 5844, 7356, 8766, 11034, 11688, 14712, 17532, 22068, 35064, 44136, 298531, 597062, 895593, 1194124, 1791186, 2388248, 2686779, 3582372, 5373558, 7164744, 10747116, 21494232]

約数ペア:

[(1, 21494232), (2, 10747116), (3, 7164744), (4, 5373558), (6, 3582372), (8, 2686779), (9, 2388248), (12, 1791186), (18, 1194124), (24, 895593), (36, 597062), (72, 298531), (487, 44136), (613, 35064), (974, 22068), (1226, 17532), (1461, 14712), (1839, 11688), (1948, 11034), (2452, 8766), (2922, 7356), (3678, 5844), (3896, 5517), (4383, 4904)]