21651392

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1609

約数の個数: 56

約数和(自身を含む): 50718720

約数和(自身を除く): 29067328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1559, 1736, 1984, 3118, 3472, 6236, 6944, 10913, 12472, 13888, 21826, 24944, 43652, 48329, 49888, 87304, 96658, 99776, 174608, 193316, 338303, 349216, 386632, 676606, 698432, 773264, 1353212, 1546528, 2706424, 3093056, 5412848, 10825696, 21651392]

約数ペア:

[(1, 21651392), (2, 10825696), (4, 5412848), (7, 3093056), (8, 2706424), (14, 1546528), (16, 1353212), (28, 773264), (31, 698432), (32, 676606), (56, 386632), (62, 349216), (64, 338303), (112, 193316), (124, 174608), (217, 99776), (224, 96658), (248, 87304), (434, 49888), (448, 48329), (496, 43652), (868, 24944), (992, 21826), (1559, 13888), (1736, 12472), (1984, 10913), (3118, 6944), (3472, 6236)]