21000306652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3643}}^1\times {\mathrm{6521}}^1$

素因数の和:10198

約数の個数: 48

約数和(自身を含む): 41923520352

約数和(自身を除く): 20923213700

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 3643, 6521, 7286, 13042, 14572, 26084, 47359, 61931, 84773, 94718, 110857, 123862, 169546, 189436, 221714, 247724, 339092, 443428, 805103, 1441141, 1610206, 2882282, 3220412, 5764564, 23756003, 47512006, 95024012, 308828039, 403852051, 617656078, 807704102, 1235312156, 1615408204, 5250076663, 10500153326, 21000306652]

約数ペア:

[(1, 21000306652), (2, 10500153326), (4, 5250076663), (13, 1615408204), (17, 1235312156), (26, 807704102), (34, 617656078), (52, 403852051), (68, 308828039), (221, 95024012), (442, 47512006), (884, 23756003), (3643, 5764564), (6521, 3220412), (7286, 2882282), (13042, 1610206), (14572, 1441141), (26084, 805103), (47359, 443428), (61931, 339092), (84773, 247724), (94718, 221714), (110857, 189436), (123862, 169546)]