21320936

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29287}}^1$

素因数の和:29313

約数の個数: 32

約数和(自身を含む): 49203840

約数和(自身を除く): 27882904

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29287, 58574, 117148, 205009, 234296, 380731, 410018, 761462, 820036, 1522924, 1640072, 2665117, 3045848, 5330234, 10660468, 21320936]

約数ペア:

[(1, 21320936), (2, 10660468), (4, 5330234), (7, 3045848), (8, 2665117), (13, 1640072), (14, 1522924), (26, 820036), (28, 761462), (52, 410018), (56, 380731), (91, 234296), (104, 205009), (182, 117148), (364, 58574), (728, 29287)]