21317688

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:658

約数の個数: 128

約数和(自身を含む): 70732800

約数和(自身を除く): 49415112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 54, 56, 63, 69, 72, 84, 92, 108, 126, 138, 161, 168, 184, 189, 207, 216, 252, 276, 322, 378, 414, 483, 504, 552, 613, 621, 644, 756, 828, 966, 1226, 1242, 1288, 1449, 1512, 1656, 1839, 1932, 2452, 2484, 2898, 3678, 3864, 4291, 4347, 4904, 4968, 5517, 5796, 7356, 8582, 8694, 11034, 11592, 12873, 14099, 14712, 16551, 17164, 17388, 22068, 25746, 28198, 33102, 34328, 34776, 38619, 42297, 44136, 51492, 56396, 66204, 77238, 84594, 98693, 102984, 112792, 115857, 126891, 132408, 154476, 169188, 197386, 231714, 253782, 296079, 308952, 338376, 380673, 394772, 463428, 507564, 592158, 761346, 789544, 888237, 926856, 1015128, 1184316, 1522692, 1776474, 2368632, 2664711, 3045384, 3552948, 5329422, 7105896, 10658844, 21317688]

約数ペア:

[(1, 21317688), (2, 10658844), (3, 7105896), (4, 5329422), (6, 3552948), (7, 3045384), (8, 2664711), (9, 2368632), (12, 1776474), (14, 1522692), (18, 1184316), (21, 1015128), (23, 926856), (24, 888237), (27, 789544), (28, 761346), (36, 592158), (42, 507564), (46, 463428), (54, 394772), (56, 380673), (63, 338376), (69, 308952), (72, 296079), (84, 253782), (92, 231714), (108, 197386), (126, 169188), (138, 154476), (161, 132408), (168, 126891), (184, 115857), (189, 112792), (207, 102984), (216, 98693), (252, 84594), (276, 77238), (322, 66204), (378, 56396), (414, 51492), (483, 44136), (504, 42297), (552, 38619), (613, 34776), (621, 34328), (644, 33102), (756, 28198), (828, 25746), (966, 22068), (1226, 17388), (1242, 17164), (1288, 16551), (1449, 14712), (1512, 14099), (1656, 12873), (1839, 11592), (1932, 11034), (2452, 8694), (2484, 8582), (2898, 7356), (3678, 5796), (3864, 5517), (4291, 4968), (4347, 4904)]