21729342

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1559}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 45826560

約数和(自身を除く): 24097218

約数列:

[1, 2, 3, 6, 23, 46, 69, 101, 138, 202, 303, 606, 1559, 2323, 3118, 4646, 4677, 6969, 9354, 13938, 35857, 71714, 107571, 157459, 215142, 314918, 472377, 944754, 3621557, 7243114, 10864671, 21729342]

約数ペア:

[(1, 21729342), (2, 10864671), (3, 7243114), (6, 3621557), (23, 944754), (46, 472377), (69, 314918), (101, 215142), (138, 157459), (202, 107571), (303, 71714), (606, 35857), (1559, 13938), (2323, 9354), (3118, 6969), (4646, 4677)]