21150780768

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{6983}}^1$

素因数の和:7821

約数の個数: 144

約数和(自身を含む): 64863620640

約数和(自身を除く): 43712839872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 809, 936, 1248, 1618, 1872, 2427, 3236, 3744, 4854, 6472, 6983, 7281, 9708, 10517, 12944, 13966, 14562, 19416, 20949, 21034, 25888, 27932, 29124, 31551, 38832, 41898, 42068, 55864, 58248, 62847, 63102, 77664, 83796, 84136, 90779, 94653, 111728, 116496, 125694, 126204, 167592, 168272, 181558, 189306, 223456, 232992, 251388, 252408, 272337, 335184, 336544, 363116, 378612, 502776, 504816, 544674, 670368, 726232, 757224, 817011, 1005552, 1009632, 1089348, 1452464, 1514448, 1634022, 2011104, 2178696, 2904928, 3028896, 3268044, 4357392, 5649247, 6536088, 8714784, 11298494, 13072176, 16947741, 22596988, 26144352, 33895482, 45193976, 50843223, 67790964, 73440211, 90387952, 101686446, 135581928, 146880422, 180775904, 203372892, 220320633, 271163856, 293760844, 406745784, 440641266, 542327712, 587521688, 660961899, 813491568, 881282532, 1175043376, 1321923798, 1626983136, 1762565064, 2350086752, 2643847596, 3525130128, 5287695192, 7050260256, 10575390384, 21150780768]

約数ペア:

[(1, 21150780768), (2, 10575390384), (3, 7050260256), (4, 5287695192), (6, 3525130128), (8, 2643847596), (9, 2350086752), (12, 1762565064), (13, 1626983136), (16, 1321923798), (18, 1175043376), (24, 881282532), (26, 813491568), (32, 660961899), (36, 587521688), (39, 542327712), (48, 440641266), (52, 406745784), (72, 293760844), (78, 271163856), (96, 220320633), (104, 203372892), (117, 180775904), (144, 146880422), (156, 135581928), (208, 101686446), (234, 90387952), (288, 73440211), (312, 67790964), (416, 50843223), (468, 45193976), (624, 33895482), (809, 26144352), (936, 22596988), (1248, 16947741), (1618, 13072176), (1872, 11298494), (2427, 8714784), (3236, 6536088), (3744, 5649247), (4854, 4357392), (6472, 3268044), (6983, 3028896), (7281, 2904928), (9708, 2178696), (10517, 2011104), (12944, 1634022), (13966, 1514448), (14562, 1452464), (19416, 1089348), (20949, 1009632), (21034, 1005552), (25888, 817011), (27932, 757224), (29124, 726232), (31551, 670368), (38832, 544674), (41898, 504816), (42068, 502776), (55864, 378612), (58248, 363116), (62847, 336544), (63102, 335184), (77664, 272337), (83796, 252408), (84136, 251388), (90779, 232992), (94653, 223456), (111728, 189306), (116496, 181558), (125694, 168272), (126204, 167592)]