About the Number

21581340

21581339 ← → 21581341

2進数表記:1010010010100111000011100

漢数字表記:二千百五十八万千三百四十

素因数分解:

2 2 × 3 1 × 5 1 × 11 1 × 19 1 × 1721 1

素因数の和:1763
約数の個数: 96
約数和(自身を含む): 69431040
約数和(自身を除く): 47849700

約数列:
[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1721, 2090, 2508, 3135, 3442, 4180, 5163, 6270, 6884, 8605, 10326, 12540, 17210, 18931, 20652, 25815, 32699, 34420, 37862, 51630, 56793, 65398, 75724, 94655, 98097, 103260, 113586, 130796, 163495, 189310, 196194, 227172, 283965, 326990, 359689, 378620, 392388, 490485, 567930, 653980, 719378, 980970, 1079067, 1135860, 1438756, 1798445, 1961940, 2158134, 3596890, 4316268, 5395335, 7193780, 10790670, 21581340]

約数ペア:
[(1, 21581340), (2, 10790670), (3, 7193780), (4, 5395335), (5, 4316268), (6, 3596890), (10, 2158134), (11, 1961940), (12, 1798445), (15, 1438756), (19, 1135860), (20, 1079067), (22, 980970), (30, 719378), (33, 653980), (38, 567930), (44, 490485), (55, 392388), (57, 378620), (60, 359689), (66, 326990), (76, 283965), (95, 227172), (110, 196194), (114, 189310), (132, 163495), (165, 130796), (190, 113586), (209, 103260), (220, 98097), (228, 94655), (285, 75724), (330, 65398), (380, 56793), (418, 51630), (570, 37862), (627, 34420), (660, 32699), (836, 25815), (1045, 20652), (1140, 18931), (1254, 17210), (1721, 12540), (2090, 10326), (2508, 8605), (3135, 6884), (3442, 6270), (4180, 5163)]

このpageの処理時間: 0.004462718963623047 seconds