21807316804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3153169}}^1$

素因数の和:3153212

約数の個数: 48

約数和(自身を含む): 49441705600

約数和(自身を除く): 27634388796

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 3153169, 6306338, 12612676, 22072183, 40991197, 44144366, 59910211, 81982394, 88288732, 119820422, 163964788, 239640844, 286938379, 419371477, 573876758, 778832743, 838742954, 1147753516, 1557665486, 1677485908, 3115330972, 5451829201, 10903658402, 21807316804]

約数ペア:

[(1, 21807316804), (2, 10903658402), (4, 5451829201), (7, 3115330972), (13, 1677485908), (14, 1557665486), (19, 1147753516), (26, 838742954), (28, 778832743), (38, 573876758), (52, 419371477), (76, 286938379), (91, 239640844), (133, 163964788), (182, 119820422), (247, 88288732), (266, 81982394), (364, 59910211), (494, 44144366), (532, 40991197), (988, 22072183), (1729, 12612676), (3458, 6306338), (6916, 3153169)]