21059892

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 63302400

約数和(自身を除く): 42242508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 89, 108, 126, 178, 189, 252, 267, 313, 356, 378, 534, 623, 626, 756, 801, 939, 1068, 1246, 1252, 1602, 1869, 1878, 2191, 2403, 2492, 2817, 3204, 3738, 3756, 4382, 4806, 5607, 5634, 6573, 7476, 8451, 8764, 9612, 11214, 11268, 13146, 16821, 16902, 19719, 22428, 26292, 27857, 33642, 33804, 39438, 55714, 59157, 67284, 78876, 83571, 111428, 118314, 167142, 194999, 236628, 250713, 334284, 389998, 501426, 584997, 752139, 779996, 1002852, 1169994, 1504278, 1754991, 2339988, 3008556, 3509982, 5264973, 7019964, 10529946, 21059892]

約数ペア:

[(1, 21059892), (2, 10529946), (3, 7019964), (4, 5264973), (6, 3509982), (7, 3008556), (9, 2339988), (12, 1754991), (14, 1504278), (18, 1169994), (21, 1002852), (27, 779996), (28, 752139), (36, 584997), (42, 501426), (54, 389998), (63, 334284), (84, 250713), (89, 236628), (108, 194999), (126, 167142), (178, 118314), (189, 111428), (252, 83571), (267, 78876), (313, 67284), (356, 59157), (378, 55714), (534, 39438), (623, 33804), (626, 33642), (756, 27857), (801, 26292), (939, 22428), (1068, 19719), (1246, 16902), (1252, 16821), (1602, 13146), (1869, 11268), (1878, 11214), (2191, 9612), (2403, 8764), (2492, 8451), (2817, 7476), (3204, 6573), (3738, 5634), (3756, 5607), (4382, 4806)]