21134916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:146

約数の個数: 108

約数和(自身を含む): 62527920

約数和(自身を除く): 41393004

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 53, 57, 66, 76, 99, 106, 114, 132, 159, 171, 198, 209, 212, 228, 318, 342, 396, 418, 477, 583, 627, 636, 684, 836, 954, 1007, 1166, 1254, 1749, 1881, 1908, 2014, 2332, 2508, 2809, 3021, 3498, 3762, 4028, 5247, 5618, 6042, 6996, 7524, 8427, 9063, 10494, 11077, 11236, 12084, 16854, 18126, 20988, 22154, 25281, 30899, 33231, 33708, 36252, 44308, 50562, 53371, 61798, 66462, 92697, 99693, 101124, 106742, 123596, 132924, 160113, 185394, 199386, 213484, 278091, 320226, 370788, 398772, 480339, 556182, 587081, 640452, 960678, 1112364, 1174162, 1761243, 1921356, 2348324, 3522486, 5283729, 7044972, 10567458, 21134916]

約数ペア:

[(1, 21134916), (2, 10567458), (3, 7044972), (4, 5283729), (6, 3522486), (9, 2348324), (11, 1921356), (12, 1761243), (18, 1174162), (19, 1112364), (22, 960678), (33, 640452), (36, 587081), (38, 556182), (44, 480339), (53, 398772), (57, 370788), (66, 320226), (76, 278091), (99, 213484), (106, 199386), (114, 185394), (132, 160113), (159, 132924), (171, 123596), (198, 106742), (209, 101124), (212, 99693), (228, 92697), (318, 66462), (342, 61798), (396, 53371), (418, 50562), (477, 44308), (583, 36252), (627, 33708), (636, 33231), (684, 30899), (836, 25281), (954, 22154), (1007, 20988), (1166, 18126), (1254, 16854), (1749, 12084), (1881, 11236), (1908, 11077), (2014, 10494), (2332, 9063), (2508, 8427), (2809, 7524), (3021, 6996), (3498, 6042), (3762, 5618), (4028, 5247)]