21819756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3877}}^1$

素因数の和:3958

約数の個数: 48

約数和(自身を含む): 59069696

約数和(自身を除く): 37249940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3877, 5628, 7754, 11631, 15508, 23262, 27139, 46524, 54278, 81417, 108556, 162834, 259759, 325668, 519518, 779277, 1039036, 1558554, 1818313, 3117108, 3636626, 5454939, 7273252, 10909878, 21819756]

約数ペア:

[(1, 21819756), (2, 10909878), (3, 7273252), (4, 5454939), (6, 3636626), (7, 3117108), (12, 1818313), (14, 1558554), (21, 1039036), (28, 779277), (42, 519518), (67, 325668), (84, 259759), (134, 162834), (201, 108556), (268, 81417), (402, 54278), (469, 46524), (804, 27139), (938, 23262), (1407, 15508), (1876, 11631), (2814, 7754), (3877, 5628)]