21401188

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^2$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 40154940

約数和(自身を除く): 18753752

約数列:

[1, 2, 4, 29, 53, 58, 59, 106, 116, 118, 212, 236, 1537, 1711, 3074, 3127, 3422, 3481, 6148, 6254, 6844, 6962, 12508, 13924, 90683, 100949, 181366, 184493, 201898, 362732, 368986, 403796, 737972, 5350297, 10700594, 21401188]

約数ペア:

[(1, 21401188), (2, 10700594), (4, 5350297), (29, 737972), (53, 403796), (58, 368986), (59, 362732), (106, 201898), (116, 184493), (118, 181366), (212, 100949), (236, 90683), (1537, 13924), (1711, 12508), (3074, 6962), (3127, 6844), (3422, 6254), (3481, 6148)]