21965992

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 43223400

約数和(自身を除く): 21257408

約数列:

[1, 2, 4, 8, 29, 58, 73, 116, 146, 232, 292, 584, 1297, 2117, 2594, 4234, 5188, 8468, 10376, 16936, 37613, 75226, 94681, 150452, 189362, 300904, 378724, 757448, 2745749, 5491498, 10982996, 21965992]

約数ペア:

[(1, 21965992), (2, 10982996), (4, 5491498), (8, 2745749), (29, 757448), (58, 378724), (73, 300904), (116, 189362), (146, 150452), (232, 94681), (292, 75226), (584, 37613), (1297, 16936), (2117, 10376), (2594, 8468), (4234, 5188)]