21103640478

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16991659}}^1$

素因数の和:16991693

約数の個数: 32

約数和(自身を含む): 48935980800

約数和(自身を除く): 27832340322

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16991659, 33983318, 50974977, 101949954, 152924931, 305849862, 390808157, 458774793, 781616314, 917549586, 1172424471, 2344848942, 3517273413, 7034546826, 10551820239, 21103640478]

約数ペア:

[(1, 21103640478), (2, 10551820239), (3, 7034546826), (6, 3517273413), (9, 2344848942), (18, 1172424471), (23, 917549586), (27, 781616314), (46, 458774793), (54, 390808157), (69, 305849862), (138, 152924931), (207, 101949954), (414, 50974977), (621, 33983318), (1242, 16991659)]