21342637072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{68897}}^1$

素因数の和:69943

約数の個数: 40

約数和(自身を含む): 43571095200

約数和(自身を除く): 22228458128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1019, 2038, 4076, 8152, 16304, 19361, 38722, 68897, 77444, 137794, 154888, 275588, 309776, 551176, 1102352, 1309043, 2618086, 5236172, 10472344, 20944688, 70206043, 140412086, 280824172, 561648344, 1123296688, 1333914817, 2667829634, 5335659268, 10671318536, 21342637072]

約数ペア:

[(1, 21342637072), (2, 10671318536), (4, 5335659268), (8, 2667829634), (16, 1333914817), (19, 1123296688), (38, 561648344), (76, 280824172), (152, 140412086), (304, 70206043), (1019, 20944688), (2038, 10472344), (4076, 5236172), (8152, 2618086), (16304, 1309043), (19361, 1102352), (38722, 551176), (68897, 309776), (77444, 275588), (137794, 154888)]