21752948

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 47308800

約数和(自身を除く): 25555852

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1319, 2356, 2638, 4123, 5276, 8246, 9233, 16492, 18466, 25061, 36932, 40889, 50122, 81778, 100244, 163556, 175427, 286223, 350854, 572446, 701708, 776891, 1144892, 1553782, 3107564, 5438237, 10876474, 21752948]

約数ペア:

[(1, 21752948), (2, 10876474), (4, 5438237), (7, 3107564), (14, 1553782), (19, 1144892), (28, 776891), (31, 701708), (38, 572446), (62, 350854), (76, 286223), (124, 175427), (133, 163556), (217, 100244), (266, 81778), (434, 50122), (532, 40889), (589, 36932), (868, 25061), (1178, 18466), (1319, 16492), (2356, 9233), (2638, 8246), (4123, 5276)]