21378768

素因数分解:

$2^4\times 3^1\times {\mathrm{59}}^1\times {\mathrm{7549}}^1$

素因数の和:7619

約数の個数: 40

約数和(自身を含む): 56172000

約数和(自身を除く): 34793232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 118, 177, 236, 354, 472, 708, 944, 1416, 2832, 7549, 15098, 22647, 30196, 45294, 60392, 90588, 120784, 181176, 362352, 445391, 890782, 1336173, 1781564, 2672346, 3563128, 5344692, 7126256, 10689384, 21378768]

約数ペア:

[(1, 21378768), (2, 10689384), (3, 7126256), (4, 5344692), (6, 3563128), (8, 2672346), (12, 1781564), (16, 1336173), (24, 890782), (48, 445391), (59, 362352), (118, 181176), (177, 120784), (236, 90588), (354, 60392), (472, 45294), (708, 30196), (944, 22647), (1416, 15098), (2832, 7549)]