21634335

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 39222144

約数和(自身を除く): 17587809

約数列:

[1, 3, 5, 9, 15, 45, 47, 53, 141, 159, 193, 235, 265, 423, 477, 579, 705, 795, 965, 1737, 2115, 2385, 2491, 2895, 7473, 8685, 9071, 10229, 12455, 22419, 27213, 30687, 37365, 45355, 51145, 81639, 92061, 112095, 136065, 153435, 408195, 460305, 480763, 1442289, 2403815, 4326867, 7211445, 21634335]

約数ペア:

[(1, 21634335), (3, 7211445), (5, 4326867), (9, 2403815), (15, 1442289), (45, 480763), (47, 460305), (53, 408195), (141, 153435), (159, 136065), (193, 112095), (235, 92061), (265, 81639), (423, 51145), (477, 45355), (579, 37365), (705, 30687), (795, 27213), (965, 22419), (1737, 12455), (2115, 10229), (2385, 9071), (2491, 8685), (2895, 7473)]