21952028

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 24496612

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 383, 623, 644, 766, 1246, 1532, 2047, 2492, 2681, 4094, 5362, 8188, 8809, 10724, 14329, 17618, 28658, 34087, 35236, 57316, 61663, 68174, 123326, 136348, 238609, 246652, 477218, 784001, 954436, 1568002, 3136004, 5488007, 10976014, 21952028]

約数ペア:

[(1, 21952028), (2, 10976014), (4, 5488007), (7, 3136004), (14, 1568002), (23, 954436), (28, 784001), (46, 477218), (89, 246652), (92, 238609), (161, 136348), (178, 123326), (322, 68174), (356, 61663), (383, 57316), (623, 35236), (644, 34087), (766, 28658), (1246, 17618), (1532, 14329), (2047, 10724), (2492, 8809), (2681, 8188), (4094, 5362)]