21673458

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 48353760

約数和(自身を除く): 26680302

約数列:

[1, 2, 3, 6, 9, 18, 83, 89, 163, 166, 178, 249, 267, 326, 489, 498, 534, 747, 801, 978, 1467, 1494, 1602, 2934, 7387, 13529, 14507, 14774, 22161, 27058, 29014, 40587, 43521, 44322, 66483, 81174, 87042, 121761, 130563, 132966, 243522, 261126, 1204081, 2408162, 3612243, 7224486, 10836729, 21673458]

約数ペア:

[(1, 21673458), (2, 10836729), (3, 7224486), (6, 3612243), (9, 2408162), (18, 1204081), (83, 261126), (89, 243522), (163, 132966), (166, 130563), (178, 121761), (249, 87042), (267, 81174), (326, 66483), (489, 44322), (498, 43521), (534, 40587), (747, 29014), (801, 27058), (978, 22161), (1467, 14774), (1494, 14507), (1602, 13529), (2934, 7387)]