21516972290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{15817}}^1$

素因数の和:16067

約数の個数: 64

約数和(自身を含む): 43050268800

約数和(自身を除く): 21533296510

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 149, 166, 298, 415, 745, 830, 913, 1490, 1639, 1826, 3278, 4565, 8195, 9130, 12367, 15817, 16390, 24734, 31634, 61835, 79085, 123670, 136037, 158170, 173987, 272074, 347974, 680185, 869935, 1312811, 1360370, 1739870, 2356733, 2625622, 4713466, 6564055, 11783665, 13128110, 14440921, 23567330, 25924063, 28881842, 51848126, 72204605, 129620315, 144409210, 195608839, 259240630, 391217678, 978044195, 1956088390, 2151697229, 4303394458, 10758486145, 21516972290]

約数ペア:

[(1, 21516972290), (2, 10758486145), (5, 4303394458), (10, 2151697229), (11, 1956088390), (22, 978044195), (55, 391217678), (83, 259240630), (110, 195608839), (149, 144409210), (166, 129620315), (298, 72204605), (415, 51848126), (745, 28881842), (830, 25924063), (913, 23567330), (1490, 14440921), (1639, 13128110), (1826, 11783665), (3278, 6564055), (4565, 4713466), (8195, 2625622), (9130, 2356733), (12367, 1739870), (15817, 1360370), (16390, 1312811), (24734, 869935), (31634, 680185), (61835, 347974), (79085, 272074), (123670, 173987), (136037, 158170)]