21485736

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 61158240

約数和(自身を除く): 39672504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 467, 568, 639, 648, 852, 934, 1278, 1401, 1704, 1868, 1917, 2556, 2802, 3736, 3834, 4203, 5112, 5604, 5751, 7668, 8406, 11208, 11502, 12609, 15336, 16812, 23004, 25218, 33157, 33624, 37827, 46008, 50436, 66314, 75654, 99471, 100872, 132628, 151308, 198942, 265256, 298413, 302616, 397884, 596826, 795768, 895239, 1193652, 1790478, 2387304, 2685717, 3580956, 5371434, 7161912, 10742868, 21485736]

約数ペア:

[(1, 21485736), (2, 10742868), (3, 7161912), (4, 5371434), (6, 3580956), (8, 2685717), (9, 2387304), (12, 1790478), (18, 1193652), (24, 895239), (27, 795768), (36, 596826), (54, 397884), (71, 302616), (72, 298413), (81, 265256), (108, 198942), (142, 151308), (162, 132628), (213, 100872), (216, 99471), (284, 75654), (324, 66314), (426, 50436), (467, 46008), (568, 37827), (639, 33624), (648, 33157), (852, 25218), (934, 23004), (1278, 16812), (1401, 15336), (1704, 12609), (1868, 11502), (1917, 11208), (2556, 8406), (2802, 7668), (3736, 5751), (3834, 5604), (4203, 5112)]