21649222

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 38836224

約数和(自身を除く): 17187002

約数列:

[1, 2, 7, 14, 31, 62, 83, 166, 217, 434, 581, 601, 1162, 1202, 2573, 4207, 5146, 8414, 18011, 18631, 36022, 37262, 49883, 99766, 130417, 260834, 349181, 698362, 1546373, 3092746, 10824611, 21649222]

約数ペア:

[(1, 21649222), (2, 10824611), (7, 3092746), (14, 1546373), (31, 698362), (62, 349181), (83, 260834), (166, 130417), (217, 99766), (434, 49883), (581, 37262), (601, 36022), (1162, 18631), (1202, 18011), (2573, 8414), (4207, 5146)]