21420361216

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{23893}}^1$

素因数の和:24031

約数の個数: 80

約数和(自身を含む): 45758348064

約数和(自身を除く): 24337986848

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 103, 128, 136, 206, 256, 272, 412, 512, 544, 824, 1088, 1648, 1751, 2176, 3296, 3502, 4352, 6592, 7004, 8704, 13184, 14008, 23893, 26368, 28016, 47786, 52736, 56032, 95572, 112064, 191144, 224128, 382288, 406181, 448256, 764576, 812362, 896512, 1529152, 1624724, 2460979, 3058304, 3249448, 4921958, 6116608, 6498896, 9843916, 12233216, 12997792, 19687832, 25995584, 39375664, 41836643, 51991168, 78751328, 83673286, 103982336, 157502656, 167346572, 207964672, 315005312, 334693144, 630010624, 669386288, 1260021248, 1338772576, 2677545152, 5355090304, 10710180608, 21420361216]

約数ペア:

[(1, 21420361216), (2, 10710180608), (4, 5355090304), (8, 2677545152), (16, 1338772576), (17, 1260021248), (32, 669386288), (34, 630010624), (64, 334693144), (68, 315005312), (103, 207964672), (128, 167346572), (136, 157502656), (206, 103982336), (256, 83673286), (272, 78751328), (412, 51991168), (512, 41836643), (544, 39375664), (824, 25995584), (1088, 19687832), (1648, 12997792), (1751, 12233216), (2176, 9843916), (3296, 6498896), (3502, 6116608), (4352, 4921958), (6592, 3249448), (7004, 3058304), (8704, 2460979), (13184, 1624724), (14008, 1529152), (23893, 896512), (26368, 812362), (28016, 764576), (47786, 448256), (52736, 406181), (56032, 382288), (95572, 224128), (112064, 191144)]