2157204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 5860736

約数和(自身を除く): 3703532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 421, 427, 732, 842, 854, 1263, 1281, 1684, 1708, 2526, 2562, 2947, 5052, 5124, 5894, 8841, 11788, 17682, 25681, 35364, 51362, 77043, 102724, 154086, 179767, 308172, 359534, 539301, 719068, 1078602, 2157204]

約数ペア:

[(1, 2157204), (2, 1078602), (3, 719068), (4, 539301), (6, 359534), (7, 308172), (12, 179767), (14, 154086), (21, 102724), (28, 77043), (42, 51362), (61, 35364), (84, 25681), (122, 17682), (183, 11788), (244, 8841), (366, 5894), (421, 5124), (427, 5052), (732, 2947), (842, 2562), (854, 2526), (1263, 1708), (1281, 1684)]