21020076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7583}}^1$

素因数の和:7611

約数の個数: 72

約数和(自身を含む): 66253824

約数和(自身を除く): 45233748

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7583, 15166, 22749, 30332, 45498, 53081, 68247, 83413, 90996, 106162, 136494, 159243, 166826, 212324, 250239, 272988, 318486, 333652, 477729, 500478, 583891, 636972, 750717, 955458, 1000956, 1167782, 1501434, 1751673, 1910916, 2335564, 3002868, 3503346, 5255019, 7006692, 10510038, 21020076]

約数ペア:

[(1, 21020076), (2, 10510038), (3, 7006692), (4, 5255019), (6, 3503346), (7, 3002868), (9, 2335564), (11, 1910916), (12, 1751673), (14, 1501434), (18, 1167782), (21, 1000956), (22, 955458), (28, 750717), (33, 636972), (36, 583891), (42, 500478), (44, 477729), (63, 333652), (66, 318486), (77, 272988), (84, 250239), (99, 212324), (126, 166826), (132, 159243), (154, 136494), (198, 106162), (231, 90996), (252, 83413), (308, 68247), (396, 53081), (462, 45498), (693, 30332), (924, 22749), (1386, 15166), (2772, 7583)]