21031832523

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{81131}}^1$

素因数の和:81204

約数の個数: 48

約数和(自身を含む): 33475712256

約数和(自身を除く): 12443879733

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 289, 299, 391, 663, 867, 897, 1173, 3757, 5083, 6647, 11271, 15249, 19941, 81131, 86411, 243393, 259233, 1054703, 1379227, 1866013, 3164109, 4137681, 5598039, 17929951, 23446859, 24258169, 31722221, 53789853, 70340577, 72774507, 95166663, 304809167, 412388873, 539277757, 914427501, 1237166619, 1617833271, 7010610841, 21031832523]

約数ペア:

[(1, 21031832523), (3, 7010610841), (13, 1617833271), (17, 1237166619), (23, 914427501), (39, 539277757), (51, 412388873), (69, 304809167), (221, 95166663), (289, 72774507), (299, 70340577), (391, 53789853), (663, 31722221), (867, 24258169), (897, 23446859), (1173, 17929951), (3757, 5598039), (5083, 4137681), (6647, 3164109), (11271, 1866013), (15249, 1379227), (19941, 1054703), (81131, 259233), (86411, 243393)]