21189672

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42043}}^1$

素因数の和:42062

約数の個数: 48

約数和(自身を含む): 65588640

約数和(自身を除く): 44398968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42043, 84086, 126129, 168172, 252258, 294301, 336344, 378387, 504516, 588602, 756774, 882903, 1009032, 1177204, 1513548, 1765806, 2354408, 2648709, 3027096, 3531612, 5297418, 7063224, 10594836, 21189672]

約数ペア:

[(1, 21189672), (2, 10594836), (3, 7063224), (4, 5297418), (6, 3531612), (7, 3027096), (8, 2648709), (9, 2354408), (12, 1765806), (14, 1513548), (18, 1177204), (21, 1009032), (24, 882903), (28, 756774), (36, 588602), (42, 504516), (56, 378387), (63, 336344), (72, 294301), (84, 252258), (126, 168172), (168, 126129), (252, 84086), (504, 42043)]