21862672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1291

約数の個数: 40

約数和(自身を含む): 46168920

約数和(自身を除く): 24306248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1181, 1424, 2314, 2362, 4628, 4724, 9256, 9448, 15353, 18512, 18896, 30706, 61412, 105109, 122824, 210218, 245648, 420436, 840872, 1366417, 1681744, 2732834, 5465668, 10931336, 21862672]

約数ペア:

[(1, 21862672), (2, 10931336), (4, 5465668), (8, 2732834), (13, 1681744), (16, 1366417), (26, 840872), (52, 420436), (89, 245648), (104, 210218), (178, 122824), (208, 105109), (356, 61412), (712, 30706), (1157, 18896), (1181, 18512), (1424, 15353), (2314, 9448), (2362, 9256), (4628, 4724)]