21955822161

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{3797}}^1$

素因数の和:4238

約数の個数: 64

約数和(自身を含む): 36752486400

約数和(自身を除く): 14796664239

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 359, 413, 767, 1077, 1239, 2301, 2513, 3797, 4667, 5369, 7539, 11391, 14001, 16107, 21181, 26579, 32669, 49361, 63543, 79737, 98007, 148083, 148267, 224023, 275353, 345527, 444801, 672069, 826059, 1036581, 1363123, 1568161, 1927471, 2912299, 4089369, 4704483, 5782413, 8736897, 9541861, 17720599, 20386093, 28625583, 53161797, 61158279, 80424257, 124044193, 241272771, 372132579, 562969799, 1045515341, 1688909397, 3136546023, 7318607387, 21955822161]

約数ペア:

[(1, 21955822161), (3, 7318607387), (7, 3136546023), (13, 1688909397), (21, 1045515341), (39, 562969799), (59, 372132579), (91, 241272771), (177, 124044193), (273, 80424257), (359, 61158279), (413, 53161797), (767, 28625583), (1077, 20386093), (1239, 17720599), (2301, 9541861), (2513, 8736897), (3797, 5782413), (4667, 4704483), (5369, 4089369), (7539, 2912299), (11391, 1927471), (14001, 1568161), (16107, 1363123), (21181, 1036581), (26579, 826059), (32669, 672069), (49361, 444801), (63543, 345527), (79737, 275353), (98007, 224023), (148083, 148267)]