2021200713

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{14177}}^1$

素因数の和:14294

約数の個数: 48

約数和(自身を含む): 3491644416

約数和(自身を除く): 1470443703

約数列:

[1, 3, 7, 9, 21, 31, 63, 73, 93, 217, 219, 279, 511, 651, 657, 1533, 1953, 2263, 4599, 6789, 14177, 15841, 20367, 42531, 47523, 99239, 127593, 142569, 297717, 439487, 893151, 1034921, 1318461, 3076409, 3104763, 3955383, 7244447, 9229227, 9314289, 21733341, 27687681, 32082551, 65200023, 96247653, 224577857, 288742959, 673733571, 2021200713]

約数ペア:

[(1, 2021200713), (3, 673733571), (7, 288742959), (9, 224577857), (21, 96247653), (31, 65200023), (63, 32082551), (73, 27687681), (93, 21733341), (217, 9314289), (219, 9229227), (279, 7244447), (511, 3955383), (651, 3104763), (657, 3076409), (1533, 1318461), (1953, 1034921), (2263, 893151), (4599, 439487), (6789, 297717), (14177, 142569), (15841, 127593), (20367, 99239), (42531, 47523)]