About the Number

21690816

21690815 ← → 21690817

2進数表記:1010010101111100111000000

漢数字表記:二千百六十九万八百十六

素因数分解:

2 6 × 3 1 × 7 1 × 16139 1

素因数の和:16161
約数の個数: 56
約数和(自身を含む): 65592960
約数和(自身を除く): 43902144

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 16139, 32278, 48417, 64556, 96834, 112973, 129112, 193668, 225946, 258224, 338919, 387336, 451892, 516448, 677838, 774672, 903784, 1032896, 1355676, 1549344, 1807568, 2711352, 3098688, 3615136, 5422704, 7230272, 10845408, 21690816]

約数ペア:
[(1, 21690816), (2, 10845408), (3, 7230272), (4, 5422704), (6, 3615136), (7, 3098688), (8, 2711352), (12, 1807568), (14, 1549344), (16, 1355676), (21, 1032896), (24, 903784), (28, 774672), (32, 677838), (42, 516448), (48, 451892), (56, 387336), (64, 338919), (84, 258224), (96, 225946), (112, 193668), (168, 129112), (192, 112973), (224, 96834), (336, 64556), (448, 48417), (672, 32278), (1344, 16139)]

このpageの処理時間: 0.006540775299072266 seconds