21897918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3086

約数の個数: 64

約数和(自身を含む): 58560000

約数和(自身を除く): 36662082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 3049, 3591, 6098, 7182, 9147, 18294, 21343, 27441, 42686, 54882, 57931, 64029, 82323, 115862, 128058, 164646, 173793, 192087, 347586, 384174, 405517, 521379, 576261, 811034, 1042758, 1152522, 1216551, 1564137, 2433102, 3128274, 3649653, 7299306, 10948959, 21897918]

約数ペア:

[(1, 21897918), (2, 10948959), (3, 7299306), (6, 3649653), (7, 3128274), (9, 2433102), (14, 1564137), (18, 1216551), (19, 1152522), (21, 1042758), (27, 811034), (38, 576261), (42, 521379), (54, 405517), (57, 384174), (63, 347586), (114, 192087), (126, 173793), (133, 164646), (171, 128058), (189, 115862), (266, 82323), (342, 64029), (378, 57931), (399, 54882), (513, 42686), (798, 27441), (1026, 21343), (1197, 18294), (2394, 9147), (3049, 7182), (3591, 6098)]