21010962

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 28985838

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 61, 118, 122, 139, 177, 183, 278, 354, 366, 413, 417, 427, 826, 834, 854, 973, 1239, 1281, 1946, 2478, 2562, 2919, 3599, 5838, 7198, 8201, 8479, 10797, 16402, 16958, 21594, 24603, 25193, 25437, 49206, 50386, 50874, 57407, 59353, 75579, 114814, 118706, 151158, 172221, 178059, 344442, 356118, 500261, 1000522, 1500783, 3001566, 3501827, 7003654, 10505481, 21010962]

約数ペア:

[(1, 21010962), (2, 10505481), (3, 7003654), (6, 3501827), (7, 3001566), (14, 1500783), (21, 1000522), (42, 500261), (59, 356118), (61, 344442), (118, 178059), (122, 172221), (139, 151158), (177, 118706), (183, 114814), (278, 75579), (354, 59353), (366, 57407), (413, 50874), (417, 50386), (427, 49206), (826, 25437), (834, 25193), (854, 24603), (973, 21594), (1239, 16958), (1281, 16402), (1946, 10797), (2478, 8479), (2562, 8201), (2919, 7198), (3599, 5838)]