21918936

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 37593384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 163, 312, 326, 431, 489, 652, 862, 978, 1293, 1304, 1724, 1956, 2119, 2586, 3448, 3912, 4238, 5172, 5603, 6357, 8476, 10344, 11206, 12714, 16809, 16952, 22412, 25428, 33618, 44824, 50856, 67236, 70253, 134472, 140506, 210759, 281012, 421518, 562024, 843036, 913289, 1686072, 1826578, 2739867, 3653156, 5479734, 7306312, 10959468, 21918936]

約数ペア:

[(1, 21918936), (2, 10959468), (3, 7306312), (4, 5479734), (6, 3653156), (8, 2739867), (12, 1826578), (13, 1686072), (24, 913289), (26, 843036), (39, 562024), (52, 421518), (78, 281012), (104, 210759), (156, 140506), (163, 134472), (312, 70253), (326, 67236), (431, 50856), (489, 44824), (652, 33618), (862, 25428), (978, 22412), (1293, 16952), (1304, 16809), (1724, 12714), (1956, 11206), (2119, 10344), (2586, 8476), (3448, 6357), (3912, 5603), (4238, 5172)]