21992348

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 47066880

約数和(自身を除く): 25074532

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 617, 938, 1234, 1273, 1876, 2468, 2546, 4319, 5092, 8638, 8911, 11723, 17276, 17822, 23446, 35644, 41339, 46892, 82061, 82678, 164122, 165356, 289373, 328244, 578746, 785441, 1157492, 1570882, 3141764, 5498087, 10996174, 21992348]

約数ペア:

[(1, 21992348), (2, 10996174), (4, 5498087), (7, 3141764), (14, 1570882), (19, 1157492), (28, 785441), (38, 578746), (67, 328244), (76, 289373), (133, 165356), (134, 164122), (266, 82678), (268, 82061), (469, 46892), (532, 41339), (617, 35644), (938, 23446), (1234, 17822), (1273, 17276), (1876, 11723), (2468, 8911), (2546, 8638), (4319, 5092)]