21328764835

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{769}}^1\times {\mathrm{1433}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 30210364800

約数和(自身を除く): 8881599965

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 769, 1433, 2765, 3845, 3871, 5383, 7165, 10031, 19355, 26915, 37681, 50155, 60751, 70217, 113207, 188405, 303755, 351085, 425257, 566035, 792449, 1101977, 2126285, 2976799, 3962245, 5509885, 5547143, 7713839, 14883995, 27735715, 38569195, 53996873, 87056183, 269984365, 435280915, 609393281, 3046966405, 4265752967, 21328764835]

約数ペア:

[(1, 21328764835), (5, 4265752967), (7, 3046966405), (35, 609393281), (49, 435280915), (79, 269984365), (245, 87056183), (395, 53996873), (553, 38569195), (769, 27735715), (1433, 14883995), (2765, 7713839), (3845, 5547143), (3871, 5509885), (5383, 3962245), (7165, 2976799), (10031, 2126285), (19355, 1101977), (26915, 792449), (37681, 566035), (50155, 425257), (60751, 351085), (70217, 303755), (113207, 188405)]