21523248

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1242

約数の個数: 60

約数和(自身を含む): 60730488

約数和(自身を除く): 39207240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 1091, 1096, 1233, 1644, 2182, 2192, 2466, 3273, 3288, 4364, 4932, 6546, 6576, 8728, 9819, 9864, 13092, 17456, 19638, 19728, 26184, 39276, 52368, 78552, 149467, 157104, 298934, 448401, 597868, 896802, 1195736, 1345203, 1793604, 2391472, 2690406, 3587208, 5380812, 7174416, 10761624, 21523248]

約数ペア:

[(1, 21523248), (2, 10761624), (3, 7174416), (4, 5380812), (6, 3587208), (8, 2690406), (9, 2391472), (12, 1793604), (16, 1345203), (18, 1195736), (24, 896802), (36, 597868), (48, 448401), (72, 298934), (137, 157104), (144, 149467), (274, 78552), (411, 52368), (548, 39276), (822, 26184), (1091, 19728), (1096, 19638), (1233, 17456), (1644, 13092), (2182, 9864), (2192, 9819), (2466, 8728), (3273, 6576), (3288, 6546), (4364, 4932)]