21361470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54773}}^1$

素因数の和:54796

約数の個数: 32

約数和(自身を含む): 55212192

約数和(自身を除く): 33850722

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54773, 109546, 164319, 273865, 328638, 547730, 712049, 821595, 1424098, 1643190, 2136147, 3560245, 4272294, 7120490, 10680735, 21361470]

約数ペア:

[(1, 21361470), (2, 10680735), (3, 7120490), (5, 4272294), (6, 3560245), (10, 2136147), (13, 1643190), (15, 1424098), (26, 821595), (30, 712049), (39, 547730), (65, 328638), (78, 273865), (130, 164319), (195, 109546), (390, 54773)]