21167451338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 35582976000

約数和(自身を除く): 14415524662

約数列:

[1, 2, 11, 22, 79, 131, 158, 239, 262, 389, 478, 778, 869, 1441, 1738, 2629, 2882, 4279, 5258, 8558, 10349, 18881, 20698, 30731, 31309, 37762, 50959, 61462, 62618, 92971, 101918, 113839, 185942, 207691, 227678, 338041, 344399, 415382, 560549, 676082, 688798, 1022681, 1121098, 2045362, 2473411, 4025761, 4946822, 7344709, 8051522, 12179201, 14689418, 24358402, 27207521, 44283371, 54415042, 80791799, 88566742, 133971211, 161583598, 267942422, 962156879, 1924313758, 10583725669, 21167451338]

約数ペア:

[(1, 21167451338), (2, 10583725669), (11, 1924313758), (22, 962156879), (79, 267942422), (131, 161583598), (158, 133971211), (239, 88566742), (262, 80791799), (389, 54415042), (478, 44283371), (778, 27207521), (869, 24358402), (1441, 14689418), (1738, 12179201), (2629, 8051522), (2882, 7344709), (4279, 4946822), (5258, 4025761), (8558, 2473411), (10349, 2045362), (18881, 1121098), (20698, 1022681), (30731, 688798), (31309, 676082), (37762, 560549), (50959, 415382), (61462, 344399), (62618, 338041), (92971, 227678), (101918, 207691), (113839, 185942)]