21496956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3361}}^1$

素因数の和:3422

約数の個数: 48

約数和(自身を含む): 55351968

約数和(自身を除く): 33855012

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 3361, 6396, 6722, 10083, 13444, 20166, 40332, 43693, 87386, 131079, 137801, 174772, 262158, 275602, 413403, 524316, 551204, 826806, 1653612, 1791413, 3582826, 5374239, 7165652, 10748478, 21496956]

約数ペア:

[(1, 21496956), (2, 10748478), (3, 7165652), (4, 5374239), (6, 3582826), (12, 1791413), (13, 1653612), (26, 826806), (39, 551204), (41, 524316), (52, 413403), (78, 275602), (82, 262158), (123, 174772), (156, 137801), (164, 131079), (246, 87386), (492, 43693), (533, 40332), (1066, 20166), (1599, 13444), (2132, 10083), (3198, 6722), (3361, 6396)]