21774494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{751}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 39705600

約数和(自身を除く): 17931106

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 751, 763, 1502, 1526, 2071, 4142, 5257, 10514, 14269, 14497, 28538, 28994, 81859, 99883, 163718, 199766, 573013, 1146026, 1555321, 3110642, 10887247, 21774494]

約数ペア:

[(1, 21774494), (2, 10887247), (7, 3110642), (14, 1555321), (19, 1146026), (38, 573013), (109, 199766), (133, 163718), (218, 99883), (266, 81859), (751, 28994), (763, 28538), (1502, 14497), (1526, 14269), (2071, 10514), (4142, 5257)]