21020631842

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{1427}}^1$

素因数の和:1911

約数の個数: 64

約数和(自身を含む): 37533597696

約数和(自身を除く): 16512965854

約数列:

[1, 2, 7, 14, 47, 61, 94, 122, 329, 367, 427, 658, 734, 854, 1427, 2569, 2854, 2867, 5138, 5734, 9989, 17249, 19978, 20069, 22387, 34498, 40138, 44774, 67069, 87047, 120743, 134138, 156709, 174094, 241486, 313418, 469483, 523709, 609329, 938966, 1047418, 1052189, 1218658, 2104378, 3665963, 4091209, 7331926, 7365323, 8182418, 14730646, 24614323, 28638463, 31946249, 49228646, 57276926, 63892498, 172300261, 223623743, 344600522, 447247486, 1501473703, 3002947406, 10510315921, 21020631842]

約数ペア:

[(1, 21020631842), (2, 10510315921), (7, 3002947406), (14, 1501473703), (47, 447247486), (61, 344600522), (94, 223623743), (122, 172300261), (329, 63892498), (367, 57276926), (427, 49228646), (658, 31946249), (734, 28638463), (854, 24614323), (1427, 14730646), (2569, 8182418), (2854, 7365323), (2867, 7331926), (5138, 4091209), (5734, 3665963), (9989, 2104378), (17249, 1218658), (19978, 1052189), (20069, 1047418), (22387, 938966), (34498, 609329), (40138, 523709), (44774, 469483), (67069, 313418), (87047, 241486), (120743, 174094), (134138, 156709)]