21502764

素因数分解:

$2^2\times 3^2\times {\mathrm{457}}^1\times {\mathrm{1307}}^1$

素因数の和:1774

約数の個数: 36

約数和(自身を含む): 54514824

約数和(自身を除く): 33012060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 457, 914, 1307, 1371, 1828, 2614, 2742, 3921, 4113, 5228, 5484, 7842, 8226, 11763, 15684, 16452, 23526, 47052, 597299, 1194598, 1791897, 2389196, 3583794, 5375691, 7167588, 10751382, 21502764]

約数ペア:

[(1, 21502764), (2, 10751382), (3, 7167588), (4, 5375691), (6, 3583794), (9, 2389196), (12, 1791897), (18, 1194598), (36, 597299), (457, 47052), (914, 23526), (1307, 16452), (1371, 15684), (1828, 11763), (2614, 8226), (2742, 7842), (3921, 5484), (4113, 5228)]