21775012

素因数分解:

$2^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 45360000

約数和(自身を除く): 23584988

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 196, 236, 269, 343, 413, 538, 686, 826, 1076, 1372, 1652, 1883, 2891, 3766, 5782, 7532, 11564, 13181, 15871, 20237, 26362, 31742, 40474, 52724, 63484, 80948, 92267, 111097, 184534, 222194, 369068, 444388, 777679, 1555358, 3110716, 5443753, 10887506, 21775012]

約数ペア:

[(1, 21775012), (2, 10887506), (4, 5443753), (7, 3110716), (14, 1555358), (28, 777679), (49, 444388), (59, 369068), (98, 222194), (118, 184534), (196, 111097), (236, 92267), (269, 80948), (343, 63484), (413, 52724), (538, 40474), (686, 31742), (826, 26362), (1076, 20237), (1372, 15871), (1652, 13181), (1883, 11564), (2891, 7532), (3766, 5782)]