21483387

素因数分解:

$3^5\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 32410560

約数和(自身を除く): 10927173

約数列:

[1, 3, 9, 27, 81, 211, 243, 419, 633, 1257, 1899, 3771, 5697, 11313, 17091, 33939, 51273, 88409, 101817, 265227, 795681, 2387043, 7161129, 21483387]

約数ペア:

[(1, 21483387), (3, 7161129), (9, 2387043), (27, 795681), (81, 265227), (211, 101817), (243, 88409), (419, 51273), (633, 33939), (1257, 17091), (1899, 11313), (3771, 5697)]