21699685852

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{867571}}^1$

素因数の和:867638

約数の個数: 36

約数和(自身を含む): 42231669816

約数和(自身を除く): 20531983964

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 169, 338, 481, 676, 962, 1924, 6253, 12506, 25012, 867571, 1735142, 3470284, 11278423, 22556846, 32100127, 45113692, 64200254, 128400508, 146619499, 293238998, 417301651, 586477996, 834603302, 1669206604, 5424921463, 10849842926, 21699685852]

約数ペア:

[(1, 21699685852), (2, 10849842926), (4, 5424921463), (13, 1669206604), (26, 834603302), (37, 586477996), (52, 417301651), (74, 293238998), (148, 146619499), (169, 128400508), (338, 64200254), (481, 45113692), (676, 32100127), (962, 22556846), (1924, 11278423), (6253, 3470284), (12506, 1735142), (25012, 867571)]