21167994780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{49391}}^1$

素因数の和:51787

約数の個数: 72

約数和(自身を含む): 64237852224

約数和(自身を除く): 43069857444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2381, 4762, 7143, 9524, 11905, 14286, 21429, 23810, 28572, 35715, 42858, 47620, 49391, 71430, 85716, 98782, 107145, 142860, 148173, 197564, 214290, 246955, 296346, 428580, 444519, 493910, 592692, 740865, 889038, 987820, 1481730, 1778076, 2222595, 2963460, 4445190, 8890380, 117599971, 235199942, 352799913, 470399884, 587999855, 705599826, 1058399739, 1175999710, 1411199652, 1763999565, 2116799478, 2351999420, 3527999130, 4233598956, 5291998695, 7055998260, 10583997390, 21167994780]

約数ペア:

[(1, 21167994780), (2, 10583997390), (3, 7055998260), (4, 5291998695), (5, 4233598956), (6, 3527999130), (9, 2351999420), (10, 2116799478), (12, 1763999565), (15, 1411199652), (18, 1175999710), (20, 1058399739), (30, 705599826), (36, 587999855), (45, 470399884), (60, 352799913), (90, 235199942), (180, 117599971), (2381, 8890380), (4762, 4445190), (7143, 2963460), (9524, 2222595), (11905, 1778076), (14286, 1481730), (21429, 987820), (23810, 889038), (28572, 740865), (35715, 592692), (42858, 493910), (47620, 444519), (49391, 428580), (71430, 296346), (85716, 246955), (98782, 214290), (107145, 197564), (142860, 148173)]