21525084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 62622560

約数和(自身を除く): 41097476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 229, 252, 373, 458, 687, 746, 916, 1119, 1374, 1492, 1603, 2061, 2238, 2611, 2748, 3206, 3357, 4122, 4476, 4809, 5222, 6412, 6714, 7833, 8244, 9618, 10444, 13428, 14427, 15666, 19236, 23499, 28854, 31332, 46998, 57708, 85417, 93996, 170834, 256251, 341668, 512502, 597919, 768753, 1025004, 1195838, 1537506, 1793757, 2391676, 3075012, 3587514, 5381271, 7175028, 10762542, 21525084]

約数ペア:

[(1, 21525084), (2, 10762542), (3, 7175028), (4, 5381271), (6, 3587514), (7, 3075012), (9, 2391676), (12, 1793757), (14, 1537506), (18, 1195838), (21, 1025004), (28, 768753), (36, 597919), (42, 512502), (63, 341668), (84, 256251), (126, 170834), (229, 93996), (252, 85417), (373, 57708), (458, 46998), (687, 31332), (746, 28854), (916, 23499), (1119, 19236), (1374, 15666), (1492, 14427), (1603, 13428), (2061, 10444), (2238, 9618), (2611, 8244), (2748, 7833), (3206, 6714), (3357, 6412), (4122, 5222), (4476, 4809)]