21520224

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6793}}^1$

素因数の和:6820

約数の個数: 72

約数和(自身を含む): 66771432

約数和(自身を除く): 45251208

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6793, 13586, 20379, 27172, 40758, 54344, 61137, 74723, 81516, 108688, 122274, 149446, 163032, 217376, 224169, 244548, 298892, 326064, 448338, 489096, 597784, 652128, 672507, 896676, 978192, 1195568, 1345014, 1793352, 1956384, 2391136, 2690028, 3586704, 5380056, 7173408, 10760112, 21520224]

約数ペア:

[(1, 21520224), (2, 10760112), (3, 7173408), (4, 5380056), (6, 3586704), (8, 2690028), (9, 2391136), (11, 1956384), (12, 1793352), (16, 1345014), (18, 1195568), (22, 978192), (24, 896676), (32, 672507), (33, 652128), (36, 597784), (44, 489096), (48, 448338), (66, 326064), (72, 298892), (88, 244548), (96, 224169), (99, 217376), (132, 163032), (144, 149446), (176, 122274), (198, 108688), (264, 81516), (288, 74723), (352, 61137), (396, 54344), (528, 40758), (792, 27172), (1056, 20379), (1584, 13586), (3168, 6793)]