21130002

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7477}}^1$

素因数の和:7642

約数の個数: 24

約数和(自身を含む): 46079436

約数和(自身を除く): 24949434

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7477, 14954, 22431, 44862, 67293, 134586, 1173889, 2347778, 3521667, 7043334, 10565001, 21130002]

約数ペア:

[(1, 21130002), (2, 10565001), (3, 7043334), (6, 3521667), (9, 2347778), (18, 1173889), (157, 134586), (314, 67293), (471, 44862), (942, 22431), (1413, 14954), (2826, 7477)]