21016262340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1\times {\mathrm{3833}}^1$

素因数の和:4298

約数の個数: 144

約数和(自身を含む): 64710067968

約数和(自身を除く): 43693805628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 367, 415, 498, 734, 747, 830, 996, 1101, 1245, 1468, 1494, 1660, 1835, 2202, 2490, 2988, 3303, 3670, 3735, 3833, 4404, 4980, 5505, 6606, 7340, 7470, 7666, 11010, 11499, 13212, 14940, 15332, 16515, 19165, 22020, 22998, 30461, 33030, 34497, 38330, 45996, 57495, 60922, 66060, 68994, 76660, 91383, 114990, 121844, 137988, 152305, 172485, 182766, 229980, 274149, 304610, 318139, 344970, 365532, 456915, 548298, 609220, 636278, 689940, 913830, 954417, 1096596, 1272556, 1370745, 1406711, 1590695, 1827660, 1908834, 2741490, 2813422, 2863251, 3181390, 3817668, 4220133, 4772085, 5482980, 5626844, 5726502, 6362780, 7033555, 8440266, 9544170, 11453004, 12660399, 14067110, 14316255, 16880532, 19088340, 21100665, 25320798, 28134220, 28632510, 42201330, 50641596, 57265020, 63301995, 84402660, 116757013, 126603990, 233514026, 253207980, 350271039, 467028052, 583785065, 700542078, 1050813117, 1167570130, 1401084156, 1751355195, 2101626234, 2335140260, 3502710390, 4203252468, 5254065585, 7005420780, 10508131170, 21016262340]

約数ペア:

[(1, 21016262340), (2, 10508131170), (3, 7005420780), (4, 5254065585), (5, 4203252468), (6, 3502710390), (9, 2335140260), (10, 2101626234), (12, 1751355195), (15, 1401084156), (18, 1167570130), (20, 1050813117), (30, 700542078), (36, 583785065), (45, 467028052), (60, 350271039), (83, 253207980), (90, 233514026), (166, 126603990), (180, 116757013), (249, 84402660), (332, 63301995), (367, 57265020), (415, 50641596), (498, 42201330), (734, 28632510), (747, 28134220), (830, 25320798), (996, 21100665), (1101, 19088340), (1245, 16880532), (1468, 14316255), (1494, 14067110), (1660, 12660399), (1835, 11453004), (2202, 9544170), (2490, 8440266), (2988, 7033555), (3303, 6362780), (3670, 5726502), (3735, 5626844), (3833, 5482980), (4404, 4772085), (4980, 4220133), (5505, 3817668), (6606, 3181390), (7340, 2863251), (7470, 2813422), (7666, 2741490), (11010, 1908834), (11499, 1827660), (13212, 1590695), (14940, 1406711), (15332, 1370745), (16515, 1272556), (19165, 1096596), (22020, 954417), (22998, 913830), (30461, 689940), (33030, 636278), (34497, 609220), (38330, 548298), (45996, 456915), (57495, 365532), (60922, 344970), (66060, 318139), (68994, 304610), (76660, 274149), (91383, 229980), (114990, 182766), (121844, 172485), (137988, 152305)]