21404804512

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{565427}}^1$

素因数の和:565470

約数の個数: 72

約数和(自身を含む): 52150555296

約数和(自身を除く): 30745750784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 1183, 1352, 1456, 2366, 2704, 2912, 4732, 5408, 9464, 18928, 37856, 565427, 1130854, 2261708, 3957989, 4523416, 7350551, 7915978, 9046832, 14701102, 15831956, 18093664, 29402204, 31663912, 51453857, 58804408, 63327824, 95557163, 102907714, 117608816, 126655648, 191114326, 205815428, 235217632, 382228652, 411630856, 668900141, 764457304, 823261712, 1337800282, 1528914608, 1646523424, 2675600564, 3057829216, 5351201128, 10702402256, 21404804512]

約数ペア:

[(1, 21404804512), (2, 10702402256), (4, 5351201128), (7, 3057829216), (8, 2675600564), (13, 1646523424), (14, 1528914608), (16, 1337800282), (26, 823261712), (28, 764457304), (32, 668900141), (52, 411630856), (56, 382228652), (91, 235217632), (104, 205815428), (112, 191114326), (169, 126655648), (182, 117608816), (208, 102907714), (224, 95557163), (338, 63327824), (364, 58804408), (416, 51453857), (676, 31663912), (728, 29402204), (1183, 18093664), (1352, 15831956), (1456, 14701102), (2366, 9046832), (2704, 7915978), (2912, 7350551), (4732, 4523416), (5408, 3957989), (9464, 2261708), (18928, 1130854), (37856, 565427)]