21286962

素因数分解:

$2^1\times 3^4\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1416

約数の個数: 40

約数和(自身を含む): 48207852

約数和(自身を除く): 26920890

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 303, 606, 909, 1301, 1818, 2602, 2727, 3903, 5454, 7806, 8181, 11709, 16362, 23418, 35127, 70254, 105381, 131401, 210762, 262802, 394203, 788406, 1182609, 2365218, 3547827, 7095654, 10643481, 21286962]

約数ペア:

[(1, 21286962), (2, 10643481), (3, 7095654), (6, 3547827), (9, 2365218), (18, 1182609), (27, 788406), (54, 394203), (81, 262802), (101, 210762), (162, 131401), (202, 105381), (303, 70254), (606, 35127), (909, 23418), (1301, 16362), (1818, 11709), (2602, 8181), (2727, 7806), (3903, 5454)]