21451626

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2791}}^1$

素因数の和:2867

約数の個数: 48

約数和(自身を含む): 54008448

約数和(自身を除く): 32556822

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2791, 3843, 5582, 7686, 8373, 16746, 19537, 25119, 39074, 50238, 58611, 117222, 170251, 175833, 340502, 351666, 510753, 1021506, 1191757, 1532259, 2383514, 3064518, 3575271, 7150542, 10725813, 21451626]

約数ペア:

[(1, 21451626), (2, 10725813), (3, 7150542), (6, 3575271), (7, 3064518), (9, 2383514), (14, 1532259), (18, 1191757), (21, 1021506), (42, 510753), (61, 351666), (63, 340502), (122, 175833), (126, 170251), (183, 117222), (366, 58611), (427, 50238), (549, 39074), (854, 25119), (1098, 19537), (1281, 16746), (2562, 8373), (2791, 7686), (3843, 5582)]