21408643164

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1\times {\mathrm{41957}}^1$

素因数の和:42486

約数の個数: 48

約数和(自身を含む): 50569124256

約数和(自身を除く): 29160481092

約数列:

[1, 2, 3, 4, 6, 12, 101, 202, 303, 404, 421, 606, 842, 1212, 1263, 1684, 2526, 5052, 41957, 42521, 83914, 85042, 125871, 127563, 167828, 170084, 251742, 255126, 503484, 510252, 4237657, 8475314, 12712971, 16950628, 17663897, 25425942, 35327794, 50851884, 52991691, 70655588, 105983382, 211966764, 1784053597, 3568107194, 5352160791, 7136214388, 10704321582, 21408643164]

約数ペア:

[(1, 21408643164), (2, 10704321582), (3, 7136214388), (4, 5352160791), (6, 3568107194), (12, 1784053597), (101, 211966764), (202, 105983382), (303, 70655588), (404, 52991691), (421, 50851884), (606, 35327794), (842, 25425942), (1212, 17663897), (1263, 16950628), (1684, 12712971), (2526, 8475314), (5052, 4237657), (41957, 510252), (42521, 503484), (83914, 255126), (85042, 251742), (125871, 170084), (127563, 167828)]