21145098

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1567}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 45835776

約数和(自身を除く): 24690678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 1567, 2249, 3134, 4498, 4701, 6747, 9402, 13494, 20371, 40742, 61113, 122226, 271091, 542182, 813273, 1626546, 3524183, 7048366, 10572549, 21145098]

約数ペア:

[(1, 21145098), (2, 10572549), (3, 7048366), (6, 3524183), (13, 1626546), (26, 813273), (39, 542182), (78, 271091), (173, 122226), (346, 61113), (519, 40742), (1038, 20371), (1567, 13494), (2249, 9402), (3134, 6747), (4498, 4701)]