21489054

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 45704736

約数和(自身を除く): 24215682

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 457, 461, 914, 922, 1371, 1383, 2742, 2766, 7769, 7837, 15538, 15674, 23307, 23511, 46614, 47022, 210677, 421354, 632031, 1264062, 3581509, 7163018, 10744527, 21489054]

約数ペア:

[(1, 21489054), (2, 10744527), (3, 7163018), (6, 3581509), (17, 1264062), (34, 632031), (51, 421354), (102, 210677), (457, 47022), (461, 46614), (914, 23511), (922, 23307), (1371, 15674), (1383, 15538), (2742, 7837), (2766, 7769)]