21092136

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 57691200

約数和(自身を除く): 36599064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 268, 312, 402, 536, 804, 871, 1009, 1608, 1742, 2018, 2613, 3027, 3484, 4036, 5226, 6054, 6968, 8072, 10452, 12108, 13117, 20904, 24216, 26234, 39351, 52468, 67603, 78702, 104936, 135206, 157404, 202809, 270412, 314808, 405618, 540824, 811236, 878839, 1622472, 1757678, 2636517, 3515356, 5273034, 7030712, 10546068, 21092136]

約数ペア:

[(1, 21092136), (2, 10546068), (3, 7030712), (4, 5273034), (6, 3515356), (8, 2636517), (12, 1757678), (13, 1622472), (24, 878839), (26, 811236), (39, 540824), (52, 405618), (67, 314808), (78, 270412), (104, 202809), (134, 157404), (156, 135206), (201, 104936), (268, 78702), (312, 67603), (402, 52468), (536, 39351), (804, 26234), (871, 24216), (1009, 20904), (1608, 13117), (1742, 12108), (2018, 10452), (2613, 8072), (3027, 6968), (3484, 6054), (4036, 5226)]