21855624

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 45881976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 41, 42, 56, 57, 76, 82, 84, 114, 123, 133, 152, 164, 167, 168, 228, 246, 266, 287, 328, 334, 399, 456, 492, 501, 532, 574, 668, 779, 798, 861, 984, 1002, 1064, 1148, 1169, 1336, 1558, 1596, 1722, 2004, 2296, 2337, 2338, 3116, 3173, 3192, 3444, 3507, 4008, 4674, 4676, 5453, 6232, 6346, 6847, 6888, 7014, 9348, 9352, 9519, 10906, 12692, 13694, 14028, 16359, 18696, 19038, 20541, 21812, 22211, 25384, 27388, 28056, 32718, 38076, 41082, 43624, 44422, 47929, 54776, 65436, 66633, 76152, 82164, 88844, 95858, 130093, 130872, 133266, 143787, 164328, 177688, 191716, 260186, 266532, 287574, 383432, 390279, 520372, 533064, 575148, 780558, 910651, 1040744, 1150296, 1561116, 1821302, 2731953, 3122232, 3642604, 5463906, 7285208, 10927812, 21855624]

約数ペア:

[(1, 21855624), (2, 10927812), (3, 7285208), (4, 5463906), (6, 3642604), (7, 3122232), (8, 2731953), (12, 1821302), (14, 1561116), (19, 1150296), (21, 1040744), (24, 910651), (28, 780558), (38, 575148), (41, 533064), (42, 520372), (56, 390279), (57, 383432), (76, 287574), (82, 266532), (84, 260186), (114, 191716), (123, 177688), (133, 164328), (152, 143787), (164, 133266), (167, 130872), (168, 130093), (228, 95858), (246, 88844), (266, 82164), (287, 76152), (328, 66633), (334, 65436), (399, 54776), (456, 47929), (492, 44422), (501, 43624), (532, 41082), (574, 38076), (668, 32718), (779, 28056), (798, 27388), (861, 25384), (984, 22211), (1002, 21812), (1064, 20541), (1148, 19038), (1169, 18696), (1336, 16359), (1558, 14028), (1596, 13694), (1722, 12692), (2004, 10906), (2296, 9519), (2337, 9352), (2338, 9348), (3116, 7014), (3173, 6888), (3192, 6847), (3444, 6346), (3507, 6232), (4008, 5453), (4674, 4676)]