21190302

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 54758400

約数和(自身を除く): 33568098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 122, 126, 183, 189, 366, 378, 427, 549, 854, 919, 1098, 1281, 1647, 1838, 2562, 2757, 3294, 3843, 5514, 6433, 7686, 8271, 11529, 12866, 16542, 19299, 23058, 24813, 38598, 49626, 56059, 57897, 112118, 115794, 168177, 173691, 336354, 347382, 392413, 504531, 784826, 1009062, 1177239, 1513593, 2354478, 3027186, 3531717, 7063434, 10595151, 21190302]

約数ペア:

[(1, 21190302), (2, 10595151), (3, 7063434), (6, 3531717), (7, 3027186), (9, 2354478), (14, 1513593), (18, 1177239), (21, 1009062), (27, 784826), (42, 504531), (54, 392413), (61, 347382), (63, 336354), (122, 173691), (126, 168177), (183, 115794), (189, 112118), (366, 57897), (378, 56059), (427, 49626), (549, 38598), (854, 24813), (919, 23058), (1098, 19299), (1281, 16542), (1647, 12866), (1838, 11529), (2562, 8271), (2757, 7686), (3294, 6433), (3843, 5514)]