21152088

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 61158240

約数和(自身を除く): 40006152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 53, 69, 72, 92, 106, 138, 159, 184, 207, 212, 241, 276, 318, 414, 424, 477, 482, 552, 636, 723, 828, 954, 964, 1219, 1272, 1446, 1656, 1908, 1928, 2169, 2438, 2892, 3657, 3816, 4338, 4876, 5543, 5784, 7314, 8676, 9752, 10971, 11086, 12773, 14628, 16629, 17352, 21942, 22172, 25546, 29256, 33258, 38319, 43884, 44344, 49887, 51092, 66516, 76638, 87768, 99774, 102184, 114957, 133032, 153276, 199548, 229914, 293779, 306552, 399096, 459828, 587558, 881337, 919656, 1175116, 1762674, 2350232, 2644011, 3525348, 5288022, 7050696, 10576044, 21152088]

約数ペア:

[(1, 21152088), (2, 10576044), (3, 7050696), (4, 5288022), (6, 3525348), (8, 2644011), (9, 2350232), (12, 1762674), (18, 1175116), (23, 919656), (24, 881337), (36, 587558), (46, 459828), (53, 399096), (69, 306552), (72, 293779), (92, 229914), (106, 199548), (138, 153276), (159, 133032), (184, 114957), (207, 102184), (212, 99774), (241, 87768), (276, 76638), (318, 66516), (414, 51092), (424, 49887), (477, 44344), (482, 43884), (552, 38319), (636, 33258), (723, 29256), (828, 25546), (954, 22172), (964, 21942), (1219, 17352), (1272, 16629), (1446, 14628), (1656, 12773), (1908, 11086), (1928, 10971), (2169, 9752), (2438, 8676), (2892, 7314), (3657, 5784), (3816, 5543), (4338, 4876)]