21146346

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3347}}^1$

素因数の和:3377

約数の個数: 48

約数和(自身を含む): 51184224

約数和(自身を除く): 30037878

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3347, 6318, 6694, 10041, 20082, 30123, 43511, 60246, 87022, 90369, 130533, 180738, 261066, 271107, 391599, 542214, 783198, 813321, 1174797, 1626642, 2349594, 3524391, 7048782, 10573173, 21146346]

約数ペア:

[(1, 21146346), (2, 10573173), (3, 7048782), (6, 3524391), (9, 2349594), (13, 1626642), (18, 1174797), (26, 813321), (27, 783198), (39, 542214), (54, 391599), (78, 271107), (81, 261066), (117, 180738), (162, 130533), (234, 90369), (243, 87022), (351, 60246), (486, 43511), (702, 30123), (1053, 20082), (2106, 10041), (3159, 6694), (3347, 6318)]