21876512

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 27797728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 769, 889, 1016, 1538, 1778, 2032, 3076, 3556, 4064, 5383, 6152, 7112, 10766, 12304, 14224, 21532, 24608, 28448, 43064, 86128, 97663, 172256, 195326, 390652, 683641, 781304, 1367282, 1562608, 2734564, 3125216, 5469128, 10938256, 21876512]

約数ペア:

[(1, 21876512), (2, 10938256), (4, 5469128), (7, 3125216), (8, 2734564), (14, 1562608), (16, 1367282), (28, 781304), (32, 683641), (56, 390652), (112, 195326), (127, 172256), (224, 97663), (254, 86128), (508, 43064), (769, 28448), (889, 24608), (1016, 21532), (1538, 14224), (1778, 12304), (2032, 10766), (3076, 7112), (3556, 6152), (4064, 5383)]