21410172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84961}}^1$

素因数の和:84978

約数の個数: 36

約数和(自身を含む): 61852336

約数和(自身を除く): 40442164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84961, 169922, 254883, 339844, 509766, 594727, 764649, 1019532, 1189454, 1529298, 1784181, 2378908, 3058596, 3568362, 5352543, 7136724, 10705086, 21410172]

約数ペア:

[(1, 21410172), (2, 10705086), (3, 7136724), (4, 5352543), (6, 3568362), (7, 3058596), (9, 2378908), (12, 1784181), (14, 1529298), (18, 1189454), (21, 1019532), (28, 764649), (36, 594727), (42, 509766), (63, 339844), (84, 254883), (126, 169922), (252, 84961)]