21872348902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1309

約数の個数: 64

約数和(自身を含む): 36391680000

約数和(自身を除く): 14519331098

約数列:

[1, 2, 19, 31, 38, 59, 62, 118, 389, 589, 778, 809, 1121, 1178, 1618, 1829, 2242, 3658, 7391, 12059, 14782, 15371, 22951, 24118, 25079, 30742, 34751, 45902, 47731, 50158, 69502, 95462, 229121, 314701, 436069, 458242, 476501, 629402, 711481, 872138, 906889, 953002, 1422962, 1479661, 1813778, 2959322, 5979319, 9755731, 11958638, 13518139, 18567359, 19511462, 27036278, 28113559, 37134718, 56227118, 185358889, 352779821, 370717778, 575588129, 705559642, 1151176258, 10936174451, 21872348902]

約数ペア:

[(1, 21872348902), (2, 10936174451), (19, 1151176258), (31, 705559642), (38, 575588129), (59, 370717778), (62, 352779821), (118, 185358889), (389, 56227118), (589, 37134718), (778, 28113559), (809, 27036278), (1121, 19511462), (1178, 18567359), (1618, 13518139), (1829, 11958638), (2242, 9755731), (3658, 5979319), (7391, 2959322), (12059, 1813778), (14782, 1479661), (15371, 1422962), (22951, 953002), (24118, 906889), (25079, 872138), (30742, 711481), (34751, 629402), (45902, 476501), (47731, 458242), (50158, 436069), (69502, 314701), (95462, 229121)]