21951612

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 59404800

約数和(自身を除く): 37453188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 67, 76, 114, 134, 171, 201, 228, 268, 342, 402, 479, 603, 684, 804, 958, 1206, 1273, 1437, 1916, 2412, 2546, 2874, 3819, 4311, 5092, 5748, 7638, 8622, 9101, 11457, 15276, 17244, 18202, 22914, 27303, 32093, 36404, 45828, 54606, 64186, 81909, 96279, 109212, 128372, 163818, 192558, 288837, 327636, 385116, 577674, 609767, 1155348, 1219534, 1829301, 2439068, 3658602, 5487903, 7317204, 10975806, 21951612]

約数ペア:

[(1, 21951612), (2, 10975806), (3, 7317204), (4, 5487903), (6, 3658602), (9, 2439068), (12, 1829301), (18, 1219534), (19, 1155348), (36, 609767), (38, 577674), (57, 385116), (67, 327636), (76, 288837), (114, 192558), (134, 163818), (171, 128372), (201, 109212), (228, 96279), (268, 81909), (342, 64186), (402, 54606), (479, 45828), (603, 36404), (684, 32093), (804, 27303), (958, 22914), (1206, 18202), (1273, 17244), (1437, 15276), (1916, 11457), (2412, 9101), (2546, 8622), (2874, 7638), (3819, 5748), (4311, 5092)]