21004932

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4643}}^1$

素因数の和:4692

約数の個数: 48

約数和(自身を含む): 54613440

約数和(自身を除く): 33608508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4643, 9286, 13929, 18572, 27858, 55716, 60359, 120718, 134647, 181077, 241436, 269294, 362154, 403941, 538588, 724308, 807882, 1615764, 1750411, 3500822, 5251233, 7001644, 10502466, 21004932]

約数ペア:

[(1, 21004932), (2, 10502466), (3, 7001644), (4, 5251233), (6, 3500822), (12, 1750411), (13, 1615764), (26, 807882), (29, 724308), (39, 538588), (52, 403941), (58, 362154), (78, 269294), (87, 241436), (116, 181077), (156, 134647), (174, 120718), (348, 60359), (377, 55716), (754, 27858), (1131, 18572), (1508, 13929), (2262, 9286), (4524, 4643)]