21569142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 30962058

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 151, 179, 266, 302, 358, 399, 453, 537, 798, 906, 1057, 1074, 1253, 2114, 2506, 2869, 3171, 3401, 3759, 5738, 6342, 6802, 7518, 8607, 10203, 17214, 20083, 20406, 23807, 27029, 40166, 47614, 54058, 60249, 71421, 81087, 120498, 142842, 162174, 189203, 378406, 513551, 567609, 1027102, 1135218, 1540653, 3081306, 3594857, 7189714, 10784571, 21569142]

約数ペア:

[(1, 21569142), (2, 10784571), (3, 7189714), (6, 3594857), (7, 3081306), (14, 1540653), (19, 1135218), (21, 1027102), (38, 567609), (42, 513551), (57, 378406), (114, 189203), (133, 162174), (151, 142842), (179, 120498), (266, 81087), (302, 71421), (358, 60249), (399, 54058), (453, 47614), (537, 40166), (798, 27029), (906, 23807), (1057, 20406), (1074, 20083), (1253, 17214), (2114, 10203), (2506, 8607), (2869, 7518), (3171, 6802), (3401, 6342), (3759, 5738)]