21165264

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{1427}}^1$

素因数の和:1544

約数の個数: 60

約数和(自身を含む): 59850336

約数和(自身を除く): 38685072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 206, 309, 412, 618, 824, 927, 1236, 1427, 1648, 1854, 2472, 2854, 3708, 4281, 4944, 5708, 7416, 8562, 11416, 12843, 14832, 17124, 22832, 25686, 34248, 51372, 68496, 102744, 146981, 205488, 293962, 440943, 587924, 881886, 1175848, 1322829, 1763772, 2351696, 2645658, 3527544, 5291316, 7055088, 10582632, 21165264]

約数ペア:

[(1, 21165264), (2, 10582632), (3, 7055088), (4, 5291316), (6, 3527544), (8, 2645658), (9, 2351696), (12, 1763772), (16, 1322829), (18, 1175848), (24, 881886), (36, 587924), (48, 440943), (72, 293962), (103, 205488), (144, 146981), (206, 102744), (309, 68496), (412, 51372), (618, 34248), (824, 25686), (927, 22832), (1236, 17124), (1427, 14832), (1648, 12843), (1854, 11416), (2472, 8562), (2854, 7416), (3708, 5708), (4281, 4944)]