About the Number

21394256

21394255 ← → 21394257

2進数表記:1010001100111001101010000

漢数字表記:二千百三十九万四千二百五十六

素因数分解:

2 4 × 13 1 × 73 1 × 1409 1

素因数の和:1503
約数の個数: 40
約数和(自身を含む): 45283560
約数和(自身を除く): 23889304

約数列:
[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1409, 1898, 2818, 3796, 5636, 7592, 11272, 15184, 18317, 22544, 36634, 73268, 102857, 146536, 205714, 293072, 411428, 822856, 1337141, 1645712, 2674282, 5348564, 10697128, 21394256]

約数ペア:
[(1, 21394256), (2, 10697128), (4, 5348564), (8, 2674282), (13, 1645712), (16, 1337141), (26, 822856), (52, 411428), (73, 293072), (104, 205714), (146, 146536), (208, 102857), (292, 73268), (584, 36634), (949, 22544), (1168, 18317), (1409, 15184), (1898, 11272), (2818, 7592), (3796, 5636)]

このpageの処理時間: 0.004834413528442383 seconds