21884884

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 47595520

約数和(自身を除く): 25710636

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1327, 2356, 2654, 4123, 5308, 8246, 9289, 16492, 18578, 25213, 37156, 41137, 50426, 82274, 100852, 164548, 176491, 287959, 352982, 575918, 705964, 781603, 1151836, 1563206, 3126412, 5471221, 10942442, 21884884]

約数ペア:

[(1, 21884884), (2, 10942442), (4, 5471221), (7, 3126412), (14, 1563206), (19, 1151836), (28, 781603), (31, 705964), (38, 575918), (62, 352982), (76, 287959), (124, 176491), (133, 164548), (217, 100852), (266, 82274), (434, 50426), (532, 41137), (589, 37156), (868, 25213), (1178, 18578), (1327, 16492), (2356, 9289), (2654, 8246), (4123, 5308)]