21871668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20029}}^1$

素因数の和:20056

約数の個数: 48

約数和(自身を含む): 62814080

約数和(自身を除く): 40942412

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 20029, 40058, 60087, 80116, 120174, 140203, 240348, 260377, 280406, 420609, 520754, 560812, 781131, 841218, 1041508, 1562262, 1682436, 1822639, 3124524, 3645278, 5467917, 7290556, 10935834, 21871668]

約数ペア:

[(1, 21871668), (2, 10935834), (3, 7290556), (4, 5467917), (6, 3645278), (7, 3124524), (12, 1822639), (13, 1682436), (14, 1562262), (21, 1041508), (26, 841218), (28, 781131), (39, 560812), (42, 520754), (52, 420609), (78, 280406), (84, 260377), (91, 240348), (156, 140203), (182, 120174), (273, 80116), (364, 60087), (546, 40058), (1092, 20029)]