21571704

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1297}}^1$

素因数の和:1330

約数の個数: 128

約数和(自身を含む): 74764800

約数和(自身を除く): 53193096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1188, 1297, 1386, 1512, 1848, 2079, 2376, 2594, 2772, 3891, 4158, 5188, 5544, 7782, 8316, 9079, 10376, 11673, 14267, 15564, 16632, 18158, 23346, 27237, 28534, 31128, 35019, 36316, 42801, 46692, 54474, 57068, 70038, 72632, 81711, 85602, 93384, 99869, 108948, 114136, 128403, 140076, 163422, 171204, 199738, 217896, 245133, 256806, 280152, 299607, 326844, 342408, 385209, 399476, 490266, 513612, 599214, 653688, 770418, 798952, 898821, 980532, 1027224, 1198428, 1540836, 1797642, 1961064, 2396856, 2696463, 3081672, 3595284, 5392926, 7190568, 10785852, 21571704]

約数ペア:

[(1, 21571704), (2, 10785852), (3, 7190568), (4, 5392926), (6, 3595284), (7, 3081672), (8, 2696463), (9, 2396856), (11, 1961064), (12, 1797642), (14, 1540836), (18, 1198428), (21, 1027224), (22, 980532), (24, 898821), (27, 798952), (28, 770418), (33, 653688), (36, 599214), (42, 513612), (44, 490266), (54, 399476), (56, 385209), (63, 342408), (66, 326844), (72, 299607), (77, 280152), (84, 256806), (88, 245133), (99, 217896), (108, 199738), (126, 171204), (132, 163422), (154, 140076), (168, 128403), (189, 114136), (198, 108948), (216, 99869), (231, 93384), (252, 85602), (264, 81711), (297, 72632), (308, 70038), (378, 57068), (396, 54474), (462, 46692), (504, 42801), (594, 36316), (616, 35019), (693, 31128), (756, 28534), (792, 27237), (924, 23346), (1188, 18158), (1297, 16632), (1386, 15564), (1512, 14267), (1848, 11673), (2079, 10376), (2376, 9079), (2594, 8316), (2772, 7782), (3891, 5544), (4158, 5188)]