21130524

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^2\times {\mathrm{677}}^1$

素因数の和:724

約数の個数: 72

約数和(自身を含む): 58280880

約数和(自身を除く): 37150356

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 289, 306, 459, 578, 612, 677, 867, 918, 1156, 1354, 1734, 1836, 2031, 2601, 2708, 3468, 4062, 5202, 6093, 7803, 8124, 10404, 11509, 12186, 15606, 18279, 23018, 24372, 31212, 34527, 36558, 46036, 69054, 73116, 103581, 138108, 195653, 207162, 310743, 391306, 414324, 586959, 621486, 782612, 1173918, 1242972, 1760877, 2347836, 3521754, 5282631, 7043508, 10565262, 21130524]

約数ペア:

[(1, 21130524), (2, 10565262), (3, 7043508), (4, 5282631), (6, 3521754), (9, 2347836), (12, 1760877), (17, 1242972), (18, 1173918), (27, 782612), (34, 621486), (36, 586959), (51, 414324), (54, 391306), (68, 310743), (102, 207162), (108, 195653), (153, 138108), (204, 103581), (289, 73116), (306, 69054), (459, 46036), (578, 36558), (612, 34527), (677, 31212), (867, 24372), (918, 23018), (1156, 18279), (1354, 15606), (1734, 12186), (1836, 11509), (2031, 10404), (2601, 8124), (2708, 7803), (3468, 6093), (4062, 5202)]