21000228132

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3607}}^1\times {\mathrm{37321}}^1$

素因数の和:40948

約数の個数: 48

約数和(自身を含む): 52785848192

約数和(自身を除く): 31785620060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 3607, 7214, 10821, 14428, 21642, 37321, 43284, 46891, 74642, 93782, 111963, 140673, 149284, 187564, 223926, 281346, 447852, 485173, 562692, 970346, 1455519, 1940692, 2911038, 5822076, 134616847, 269233694, 403850541, 538467388, 807701082, 1615402164, 1750019011, 3500038022, 5250057033, 7000076044, 10500114066, 21000228132]

約数ペア:

[(1, 21000228132), (2, 10500114066), (3, 7000076044), (4, 5250057033), (6, 3500038022), (12, 1750019011), (13, 1615402164), (26, 807701082), (39, 538467388), (52, 403850541), (78, 269233694), (156, 134616847), (3607, 5822076), (7214, 2911038), (10821, 1940692), (14428, 1455519), (21642, 970346), (37321, 562692), (43284, 485173), (46891, 447852), (74642, 281346), (93782, 223926), (111963, 187564), (140673, 149284)]