21078014778

素因数分解:

$2^1\times 3^3\times {\mathrm{5309}}^1\times {\mathrm{73523}}^1$

素因数の和:78843

約数の個数: 32

約数和(自身を含む): 46849492800

約数和(自身を除く): 25771478022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 5309, 10618, 15927, 31854, 47781, 73523, 95562, 143343, 147046, 220569, 286686, 441138, 661707, 1323414, 1985121, 3970242, 390333607, 780667214, 1171000821, 2342001642, 3513002463, 7026004926, 10539007389, 21078014778]

約数ペア:

[(1, 21078014778), (2, 10539007389), (3, 7026004926), (6, 3513002463), (9, 2342001642), (18, 1171000821), (27, 780667214), (54, 390333607), (5309, 3970242), (10618, 1985121), (15927, 1323414), (31854, 661707), (47781, 441138), (73523, 286686), (95562, 220569), (143343, 147046)]