21081736884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2215399}}^1$

素因数の和:2215480

約数の個数: 48

約数和(自身を含む): 53843081600

約数和(自身を除く): 32761344716

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2379, 3172, 4758, 9516, 2215399, 4430798, 6646197, 8861596, 13292394, 26584788, 28800187, 57600374, 86400561, 115200748, 135139339, 172801122, 270278678, 345602244, 405418017, 540557356, 810836034, 1621672068, 1756811407, 3513622814, 5270434221, 7027245628, 10540868442, 21081736884]

約数ペア:

[(1, 21081736884), (2, 10540868442), (3, 7027245628), (4, 5270434221), (6, 3513622814), (12, 1756811407), (13, 1621672068), (26, 810836034), (39, 540557356), (52, 405418017), (61, 345602244), (78, 270278678), (122, 172801122), (156, 135139339), (183, 115200748), (244, 86400561), (366, 57600374), (732, 28800187), (793, 26584788), (1586, 13292394), (2379, 8861596), (3172, 6646197), (4758, 4430798), (9516, 2215399)]