21637704

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7451}}^1$

素因数の和:7482

約数の個数: 48

約数和(自身を含む): 59466960

約数和(自身を除く): 37829256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7451, 14902, 22353, 29804, 44706, 59608, 81961, 89412, 163922, 178824, 245883, 327844, 491766, 655688, 901571, 983532, 1803142, 1967064, 2704713, 3606284, 5409426, 7212568, 10818852, 21637704]

約数ペア:

[(1, 21637704), (2, 10818852), (3, 7212568), (4, 5409426), (6, 3606284), (8, 2704713), (11, 1967064), (12, 1803142), (22, 983532), (24, 901571), (33, 655688), (44, 491766), (66, 327844), (88, 245883), (121, 178824), (132, 163922), (242, 89412), (264, 81961), (363, 59608), (484, 44706), (726, 29804), (968, 22353), (1452, 14902), (2904, 7451)]