21268044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2281}}^1$

素因数の和:2335

約数の個数: 72

約数和(自身を含む): 63129248

約数和(自身を除く): 41861204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2281, 2331, 3108, 4562, 4662, 6843, 9124, 9324, 13686, 15967, 20529, 27372, 31934, 41058, 47901, 63868, 82116, 84397, 95802, 143703, 168794, 191604, 253191, 287406, 337588, 506382, 574812, 590779, 759573, 1012764, 1181558, 1519146, 1772337, 2363116, 3038292, 3544674, 5317011, 7089348, 10634022, 21268044]

約数ペア:

[(1, 21268044), (2, 10634022), (3, 7089348), (4, 5317011), (6, 3544674), (7, 3038292), (9, 2363116), (12, 1772337), (14, 1519146), (18, 1181558), (21, 1012764), (28, 759573), (36, 590779), (37, 574812), (42, 506382), (63, 337588), (74, 287406), (84, 253191), (111, 191604), (126, 168794), (148, 143703), (222, 95802), (252, 84397), (259, 82116), (333, 63868), (444, 47901), (518, 41058), (666, 31934), (777, 27372), (1036, 20529), (1332, 15967), (1554, 13686), (2281, 9324), (2331, 9124), (3108, 6843), (4562, 4662)]