21926800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 61996032

約数和(自身を除く): 40069232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 50, 56, 70, 80, 82, 100, 112, 140, 164, 175, 191, 200, 205, 280, 287, 328, 350, 382, 400, 410, 560, 574, 656, 700, 764, 820, 955, 1025, 1148, 1337, 1400, 1435, 1528, 1640, 1910, 2050, 2296, 2674, 2800, 2870, 3056, 3280, 3820, 4100, 4592, 4775, 5348, 5740, 6685, 7175, 7640, 7831, 8200, 9550, 10696, 11480, 13370, 14350, 15280, 15662, 16400, 19100, 21392, 22960, 26740, 28700, 31324, 33425, 38200, 39155, 53480, 54817, 57400, 62648, 66850, 76400, 78310, 106960, 109634, 114800, 125296, 133700, 156620, 195775, 219268, 267400, 274085, 313240, 391550, 438536, 534800, 548170, 626480, 783100, 877072, 1096340, 1370425, 1566200, 2192680, 2740850, 3132400, 4385360, 5481700, 10963400, 21926800]

約数ペア:

[(1, 21926800), (2, 10963400), (4, 5481700), (5, 4385360), (7, 3132400), (8, 2740850), (10, 2192680), (14, 1566200), (16, 1370425), (20, 1096340), (25, 877072), (28, 783100), (35, 626480), (40, 548170), (41, 534800), (50, 438536), (56, 391550), (70, 313240), (80, 274085), (82, 267400), (100, 219268), (112, 195775), (140, 156620), (164, 133700), (175, 125296), (191, 114800), (200, 109634), (205, 106960), (280, 78310), (287, 76400), (328, 66850), (350, 62648), (382, 57400), (400, 54817), (410, 53480), (560, 39155), (574, 38200), (656, 33425), (700, 31324), (764, 28700), (820, 26740), (955, 22960), (1025, 21392), (1148, 19100), (1337, 16400), (1400, 15662), (1435, 15280), (1528, 14350), (1640, 13370), (1910, 11480), (2050, 10696), (2296, 9550), (2674, 8200), (2800, 7831), (2870, 7640), (3056, 7175), (3280, 6685), (3820, 5740), (4100, 5348), (4592, 4775)]