21747528

素因数分解:

$2^3\times 3^7\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 67305600

約数和(自身を除く): 45558072

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 113, 132, 162, 198, 216, 226, 243, 264, 297, 324, 339, 396, 452, 486, 594, 648, 678, 729, 792, 891, 904, 972, 1017, 1188, 1243, 1356, 1458, 1782, 1944, 2034, 2187, 2376, 2486, 2673, 2712, 2916, 3051, 3564, 3729, 4068, 4374, 4972, 5346, 5832, 6102, 7128, 7458, 8019, 8136, 8748, 9153, 9944, 10692, 11187, 12204, 14916, 16038, 17496, 18306, 21384, 22374, 24057, 24408, 27459, 29832, 32076, 33561, 36612, 44748, 48114, 54918, 64152, 67122, 73224, 82377, 89496, 96228, 100683, 109836, 134244, 164754, 192456, 201366, 219672, 247131, 268488, 302049, 329508, 402732, 494262, 604098, 659016, 805464, 906147, 988524, 1208196, 1812294, 1977048, 2416392, 2718441, 3624588, 5436882, 7249176, 10873764, 21747528]

約数ペア:

[(1, 21747528), (2, 10873764), (3, 7249176), (4, 5436882), (6, 3624588), (8, 2718441), (9, 2416392), (11, 1977048), (12, 1812294), (18, 1208196), (22, 988524), (24, 906147), (27, 805464), (33, 659016), (36, 604098), (44, 494262), (54, 402732), (66, 329508), (72, 302049), (81, 268488), (88, 247131), (99, 219672), (108, 201366), (113, 192456), (132, 164754), (162, 134244), (198, 109836), (216, 100683), (226, 96228), (243, 89496), (264, 82377), (297, 73224), (324, 67122), (339, 64152), (396, 54918), (452, 48114), (486, 44748), (594, 36612), (648, 33561), (678, 32076), (729, 29832), (792, 27459), (891, 24408), (904, 24057), (972, 22374), (1017, 21384), (1188, 18306), (1243, 17496), (1356, 16038), (1458, 14916), (1782, 12204), (1944, 11187), (2034, 10692), (2187, 9944), (2376, 9153), (2486, 8748), (2673, 8136), (2712, 8019), (2916, 7458), (3051, 7128), (3564, 6102), (3729, 5832), (4068, 5346), (4374, 4972)]