21895692

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20051}}^1$

素因数の和:20078

約数の個数: 48

約数和(自身を含む): 62883072

約数和(自身を除く): 40987380

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, 20051, 40102, 60153, 80204, 120306, 140357, 240612, 260663, 280714, 421071, 521326, 561428, 781989, 842142, 1042652, 1563978, 1684284, 1824641, 3127956, 3649282, 5473923, 7298564, 10947846, 21895692]

約数ペア:

[(1, 21895692), (2, 10947846), (3, 7298564), (4, 5473923), (6, 3649282), (7, 3127956), (12, 1824641), (13, 1684284), (14, 1563978), (21, 1042652), (26, 842142), (28, 781989), (39, 561428), (42, 521326), (52, 421071), (78, 280714), (84, 260663), (91, 240612), (156, 140357), (182, 120306), (273, 80204), (364, 60153), (546, 40102), (1092, 20051)]