21114522

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{631}}^1$

素因数の和:676

約数の個数: 72

約数和(自身を含む): 54127008

約数和(自身を除く): 33012486

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 286, 338, 429, 507, 631, 858, 1014, 1262, 1287, 1521, 1859, 1893, 2574, 3042, 3718, 3786, 5577, 5679, 6941, 8203, 11154, 11358, 13882, 16406, 16731, 20823, 24609, 33462, 41646, 49218, 62469, 73827, 90233, 106639, 124938, 147654, 180466, 213278, 270699, 319917, 541398, 639834, 812097, 959751, 1173029, 1624194, 1919502, 2346058, 3519087, 7038174, 10557261, 21114522]

約数ペア:

[(1, 21114522), (2, 10557261), (3, 7038174), (6, 3519087), (9, 2346058), (11, 1919502), (13, 1624194), (18, 1173029), (22, 959751), (26, 812097), (33, 639834), (39, 541398), (66, 319917), (78, 270699), (99, 213278), (117, 180466), (143, 147654), (169, 124938), (198, 106639), (234, 90233), (286, 73827), (338, 62469), (429, 49218), (507, 41646), (631, 33462), (858, 24609), (1014, 20823), (1262, 16731), (1287, 16406), (1521, 13882), (1859, 11358), (1893, 11154), (2574, 8203), (3042, 6941), (3718, 5679), (3786, 5577)]