21315648

素因数分解:

$2^6\times 3^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1739

約数の個数: 56

約数和(自身を含む): 57273952

約数和(自身を除く): 35958304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 134, 192, 201, 268, 402, 536, 804, 1072, 1608, 1657, 2144, 3216, 3314, 4288, 4971, 6432, 6628, 9942, 12864, 13256, 19884, 26512, 39768, 53024, 79536, 106048, 111019, 159072, 222038, 318144, 333057, 444076, 666114, 888152, 1332228, 1776304, 2664456, 3552608, 5328912, 7105216, 10657824, 21315648]

約数ペア:

[(1, 21315648), (2, 10657824), (3, 7105216), (4, 5328912), (6, 3552608), (8, 2664456), (12, 1776304), (16, 1332228), (24, 888152), (32, 666114), (48, 444076), (64, 333057), (67, 318144), (96, 222038), (134, 159072), (192, 111019), (201, 106048), (268, 79536), (402, 53024), (536, 39768), (804, 26512), (1072, 19884), (1608, 13256), (1657, 12864), (2144, 9942), (3216, 6628), (3314, 6432), (4288, 4971)]