21880451580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28051861}}^1$

素因数の和:28051886

約数の個数: 48

約数和(自身を含む): 65977979424

約数和(自身を除く): 44097527844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 28051861, 56103722, 84155583, 112207444, 140259305, 168311166, 280518610, 336622332, 364674193, 420777915, 561037220, 729348386, 841555830, 1094022579, 1458696772, 1683111660, 1823370965, 2188045158, 3646741930, 4376090316, 5470112895, 7293483860, 10940225790, 21880451580]

約数ペア:

[(1, 21880451580), (2, 10940225790), (3, 7293483860), (4, 5470112895), (5, 4376090316), (6, 3646741930), (10, 2188045158), (12, 1823370965), (13, 1683111660), (15, 1458696772), (20, 1094022579), (26, 841555830), (30, 729348386), (39, 561037220), (52, 420777915), (60, 364674193), (65, 336622332), (78, 280518610), (130, 168311166), (156, 140259305), (195, 112207444), (260, 84155583), (390, 56103722), (780, 28051861)]