21634426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 37828800

約数和(自身を除く): 16194374

約数列:

[1, 2, 11, 19, 22, 38, 73, 146, 209, 418, 709, 803, 1387, 1418, 1606, 2774, 7799, 13471, 15257, 15598, 26942, 30514, 51757, 103514, 148181, 296362, 569327, 983383, 1138654, 1966766, 10817213, 21634426]

約数ペア:

[(1, 21634426), (2, 10817213), (11, 1966766), (19, 1138654), (22, 983383), (38, 569327), (73, 296362), (146, 148181), (209, 103514), (418, 51757), (709, 30514), (803, 26942), (1387, 15598), (1418, 15257), (1606, 13471), (2774, 7799)]