21484524

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 51448320

約数和(自身を除く): 29963796

約数列:

[1, 2, 3, 4, 6, 12, 79, 131, 158, 173, 237, 262, 316, 346, 393, 474, 519, 524, 692, 786, 948, 1038, 1572, 2076, 10349, 13667, 20698, 22663, 27334, 31047, 41001, 41396, 45326, 54668, 62094, 67989, 82002, 90652, 124188, 135978, 164004, 271956, 1790377, 3580754, 5371131, 7161508, 10742262, 21484524]

約数ペア:

[(1, 21484524), (2, 10742262), (3, 7161508), (4, 5371131), (6, 3580754), (12, 1790377), (79, 271956), (131, 164004), (158, 135978), (173, 124188), (237, 90652), (262, 82002), (316, 67989), (346, 62094), (393, 54668), (474, 45326), (519, 41396), (524, 41001), (692, 31047), (786, 27334), (948, 22663), (1038, 20698), (1572, 13667), (2076, 10349)]