21161861032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{20593}}^1$

素因数の和:20894

約数の個数: 64

約数和(自身を含む): 43956657360

約数和(自身を除く): 22794796328

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 241, 328, 482, 533, 964, 1066, 1928, 2132, 3133, 4264, 6266, 9881, 12532, 19762, 20593, 25064, 39524, 41186, 79048, 82372, 128453, 164744, 256906, 267709, 513812, 535418, 844313, 1027624, 1070836, 1688626, 2141672, 3377252, 4962913, 6754504, 9925826, 10976069, 19851652, 21952138, 39703304, 43904276, 64517869, 87808552, 129035738, 203479433, 258071476, 406958866, 516142952, 813917732, 1627835464, 2645232629, 5290465258, 10580930516, 21161861032]

約数ペア:

[(1, 21161861032), (2, 10580930516), (4, 5290465258), (8, 2645232629), (13, 1627835464), (26, 813917732), (41, 516142952), (52, 406958866), (82, 258071476), (104, 203479433), (164, 129035738), (241, 87808552), (328, 64517869), (482, 43904276), (533, 39703304), (964, 21952138), (1066, 19851652), (1928, 10976069), (2132, 9925826), (3133, 6754504), (4264, 4962913), (6266, 3377252), (9881, 2141672), (12532, 1688626), (19762, 1070836), (20593, 1027624), (25064, 844313), (39524, 535418), (41186, 513812), (79048, 267709), (82372, 256906), (128453, 164744)]