21476676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1$

素因数の和:4492

約数の個数: 48

約数和(自身を含む): 55720448

約数和(自身を除く): 34243772

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4441, 4836, 8882, 13323, 17764, 26646, 53292, 57733, 115466, 137671, 173199, 230932, 275342, 346398, 413013, 550684, 692796, 826026, 1652052, 1789723, 3579446, 5369169, 7158892, 10738338, 21476676]

約数ペア:

[(1, 21476676), (2, 10738338), (3, 7158892), (4, 5369169), (6, 3579446), (12, 1789723), (13, 1652052), (26, 826026), (31, 692796), (39, 550684), (52, 413013), (62, 346398), (78, 275342), (93, 230932), (124, 173199), (156, 137671), (186, 115466), (372, 57733), (403, 53292), (806, 26646), (1209, 17764), (1612, 13323), (2418, 8882), (4441, 4836)]