21851852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{12113}}^1$

素因数の和:12169

約数の個数: 24

約数和(自身を含む): 42738192

約数和(自身を除く): 20886340

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 12113, 24226, 48452, 133243, 266486, 496633, 532972, 993266, 1986532, 5462963, 10925926, 21851852]

約数ペア:

[(1, 21851852), (2, 10925926), (4, 5462963), (11, 1986532), (22, 993266), (41, 532972), (44, 496633), (82, 266486), (164, 133243), (451, 48452), (902, 24226), (1804, 12113)]