21879312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5009}}^1$

素因数の和:5040

約数の個数: 80

約数和(自身を含む): 69578880

約数和(自身を除く): 47699568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 5009, 10018, 15027, 20036, 30054, 35063, 40072, 60108, 65117, 70126, 80144, 105189, 120216, 130234, 140252, 195351, 210378, 240432, 260468, 280504, 390702, 420756, 455819, 520936, 561008, 781404, 841512, 911638, 1041872, 1367457, 1562808, 1683024, 1823276, 2734914, 3125616, 3646552, 5469828, 7293104, 10939656, 21879312]

約数ペア:

[(1, 21879312), (2, 10939656), (3, 7293104), (4, 5469828), (6, 3646552), (7, 3125616), (8, 2734914), (12, 1823276), (13, 1683024), (14, 1562808), (16, 1367457), (21, 1041872), (24, 911638), (26, 841512), (28, 781404), (39, 561008), (42, 520936), (48, 455819), (52, 420756), (56, 390702), (78, 280504), (84, 260468), (91, 240432), (104, 210378), (112, 195351), (156, 140252), (168, 130234), (182, 120216), (208, 105189), (273, 80144), (312, 70126), (336, 65117), (364, 60108), (546, 40072), (624, 35063), (728, 30054), (1092, 20036), (1456, 15027), (2184, 10018), (4368, 5009)]