21328512

素因数分解:

$2^7\times 3^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:913

約数の個数: 64

約数和(自身を含む): 57568800

約数和(自身を除く): 36240288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 268, 384, 402, 536, 804, 829, 1072, 1608, 1658, 2144, 2487, 3216, 3316, 4288, 4974, 6432, 6632, 8576, 9948, 12864, 13264, 19896, 25728, 26528, 39792, 53056, 55543, 79584, 106112, 111086, 159168, 166629, 222172, 318336, 333258, 444344, 666516, 888688, 1333032, 1777376, 2666064, 3554752, 5332128, 7109504, 10664256, 21328512]

約数ペア:

[(1, 21328512), (2, 10664256), (3, 7109504), (4, 5332128), (6, 3554752), (8, 2666064), (12, 1777376), (16, 1333032), (24, 888688), (32, 666516), (48, 444344), (64, 333258), (67, 318336), (96, 222172), (128, 166629), (134, 159168), (192, 111086), (201, 106112), (268, 79584), (384, 55543), (402, 53056), (536, 39792), (804, 26528), (829, 25728), (1072, 19896), (1608, 13264), (1658, 12864), (2144, 9948), (2487, 8576), (3216, 6632), (3316, 6432), (4288, 4974)]