21233884

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 25214756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 1439, 2108, 2878, 3689, 5756, 7378, 10073, 14756, 20146, 24463, 40292, 44609, 48926, 89218, 97852, 171241, 178436, 312263, 342482, 624526, 684964, 758353, 1249052, 1516706, 3033412, 5308471, 10616942, 21233884]

約数ペア:

[(1, 21233884), (2, 10616942), (4, 5308471), (7, 3033412), (14, 1516706), (17, 1249052), (28, 758353), (31, 684964), (34, 624526), (62, 342482), (68, 312263), (119, 178436), (124, 171241), (217, 97852), (238, 89218), (434, 48926), (476, 44609), (527, 40292), (868, 24463), (1054, 20146), (1439, 14756), (2108, 10073), (2878, 7378), (3689, 5756)]