21353196676

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{52453}}^1$

素因数の和:52569

約数の個数: 72

約数和(自身を含む): 45541821696

約数和(自身を除く): 24188625020

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 67, 98, 124, 134, 196, 217, 268, 434, 469, 868, 938, 1519, 1876, 2077, 3038, 3283, 4154, 6076, 6566, 8308, 13132, 14539, 29078, 52453, 58156, 101773, 104906, 203546, 209812, 367171, 407092, 734342, 1468684, 1626043, 2570197, 3252086, 3514351, 5140394, 6504172, 7028702, 10280788, 11382301, 14057404, 22764602, 24600457, 45529204, 49200914, 79676107, 98401828, 108944881, 159352214, 172203199, 217889762, 318704428, 344406398, 435779524, 688812796, 762614167, 1525228334, 3050456668, 5338299169, 10676598338, 21353196676]

約数ペア:

[(1, 21353196676), (2, 10676598338), (4, 5338299169), (7, 3050456668), (14, 1525228334), (28, 762614167), (31, 688812796), (49, 435779524), (62, 344406398), (67, 318704428), (98, 217889762), (124, 172203199), (134, 159352214), (196, 108944881), (217, 98401828), (268, 79676107), (434, 49200914), (469, 45529204), (868, 24600457), (938, 22764602), (1519, 14057404), (1876, 11382301), (2077, 10280788), (3038, 7028702), (3283, 6504172), (4154, 5140394), (6076, 3514351), (6566, 3252086), (8308, 2570197), (13132, 1626043), (14539, 1468684), (29078, 734342), (52453, 407092), (58156, 367171), (101773, 209812), (104906, 203546)]