21425688

素因数分解:

$2^3\times 3^3\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 59896800

約数和(自身を除く): 38471112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 281, 353, 562, 706, 843, 1059, 1124, 1412, 1686, 2118, 2248, 2529, 2824, 3177, 3372, 4236, 5058, 6354, 6744, 7587, 8472, 9531, 10116, 12708, 15174, 19062, 20232, 25416, 30348, 38124, 60696, 76248, 99193, 198386, 297579, 396772, 595158, 793544, 892737, 1190316, 1785474, 2380632, 2678211, 3570948, 5356422, 7141896, 10712844, 21425688]

約数ペア:

[(1, 21425688), (2, 10712844), (3, 7141896), (4, 5356422), (6, 3570948), (8, 2678211), (9, 2380632), (12, 1785474), (18, 1190316), (24, 892737), (27, 793544), (36, 595158), (54, 396772), (72, 297579), (108, 198386), (216, 99193), (281, 76248), (353, 60696), (562, 38124), (706, 30348), (843, 25416), (1059, 20232), (1124, 19062), (1412, 15174), (1686, 12708), (2118, 10116), (2248, 9531), (2529, 8472), (2824, 7587), (3177, 6744), (3372, 6354), (4236, 5058)]