21365006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 36976800

約数和(自身を除く): 15611794

約数列:

[1, 2, 13, 19, 26, 38, 61, 122, 247, 494, 709, 793, 1159, 1418, 1586, 2318, 9217, 13471, 15067, 18434, 26942, 30134, 43249, 86498, 175123, 350246, 562237, 821731, 1124474, 1643462, 10682503, 21365006]

約数ペア:

[(1, 21365006), (2, 10682503), (13, 1643462), (19, 1124474), (26, 821731), (38, 562237), (61, 350246), (122, 175123), (247, 86498), (494, 43249), (709, 30134), (793, 26942), (1159, 18434), (1418, 15067), (1586, 13471), (2318, 9217)]