21103164

素因数分解:

$2^2\times 3^2\times {\mathrm{631}}^1\times {\mathrm{929}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 53486160

約数和(自身を除く): 32382996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 631, 929, 1262, 1858, 1893, 2524, 2787, 3716, 3786, 5574, 5679, 7572, 8361, 11148, 11358, 16722, 22716, 33444, 586199, 1172398, 1758597, 2344796, 3517194, 5275791, 7034388, 10551582, 21103164]

約数ペア:

[(1, 21103164), (2, 10551582), (3, 7034388), (4, 5275791), (6, 3517194), (9, 2344796), (12, 1758597), (18, 1172398), (36, 586199), (631, 33444), (929, 22716), (1262, 16722), (1858, 11358), (1893, 11148), (2524, 8361), (2787, 7572), (3716, 5679), (3786, 5574)]