31821090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{21647}}^1$

素因数の和:21671

約数の個数: 48

約数和(自身を含む): 88843392

約数和(自身を除く): 57022302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 21647, 43294, 64941, 108235, 129882, 151529, 216470, 303058, 324705, 454587, 649410, 757645, 909174, 1060703, 1515290, 2121406, 2272935, 3182109, 4545870, 5303515, 6364218, 10607030, 15910545, 31821090]

約数ペア:

[(1, 31821090), (2, 15910545), (3, 10607030), (5, 6364218), (6, 5303515), (7, 4545870), (10, 3182109), (14, 2272935), (15, 2121406), (21, 1515290), (30, 1060703), (35, 909174), (42, 757645), (49, 649410), (70, 454587), (98, 324705), (105, 303058), (147, 216470), (210, 151529), (245, 129882), (294, 108235), (490, 64941), (735, 43294), (1470, 21647)]