21357192

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6793}}^1$

素因数の和:6933

約数の個数: 32

約数和(自身を含む): 53808480

約数和(自身を除く): 32451288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6793, 13586, 20379, 27172, 40758, 54344, 81516, 163032, 889883, 1779766, 2669649, 3559532, 5339298, 7119064, 10678596, 21357192]

約数ペア:

[(1, 21357192), (2, 10678596), (3, 7119064), (4, 5339298), (6, 3559532), (8, 2669649), (12, 1779766), (24, 889883), (131, 163032), (262, 81516), (393, 54344), (524, 40758), (786, 27172), (1048, 20379), (1572, 13586), (3144, 6793)]