21619935

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16567}}^1$

素因数の和:16607

約数の個数: 24

約数和(自身を含む): 38769120

約数和(自身を除く): 17149185

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 16567, 49701, 82835, 149103, 248505, 480443, 745515, 1441329, 2402215, 4323987, 7206645, 21619935]

約数ペア:

[(1, 21619935), (3, 7206645), (5, 4323987), (9, 2402215), (15, 1441329), (29, 745515), (45, 480443), (87, 248505), (145, 149103), (261, 82835), (435, 49701), (1305, 16567)]