21204181040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{8089}}^1$

素因数の和:8291

約数の個数: 160

約数和(自身を含む): 58552442880

約数和(自身を除く): 37348261840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 151, 155, 217, 248, 280, 302, 310, 434, 496, 560, 604, 620, 755, 868, 1057, 1085, 1208, 1240, 1510, 1736, 2114, 2170, 2416, 2480, 3020, 3472, 4228, 4340, 4681, 5285, 6040, 8089, 8456, 8680, 9362, 10570, 12080, 16178, 16912, 17360, 18724, 21140, 23405, 32356, 32767, 37448, 40445, 42280, 46810, 56623, 64712, 65534, 74896, 80890, 84560, 93620, 113246, 129424, 131068, 161780, 163835, 187240, 226492, 250759, 262136, 283115, 323560, 327670, 374480, 452984, 501518, 524272, 566230, 647120, 655340, 905968, 1003036, 1132460, 1221439, 1253795, 1310680, 1755313, 2006072, 2264920, 2442878, 2507590, 2621360, 3510626, 4012144, 4529840, 4885756, 5015180, 6107195, 7021252, 8550073, 8776565, 9771512, 10030360, 12214390, 14042504, 17100146, 17553130, 19543024, 20060720, 24428780, 28085008, 34200292, 35106260, 37864609, 42750365, 48857560, 68400584, 70212520, 75729218, 85500730, 97715120, 136801168, 140425040, 151458436, 171001460, 189323045, 265052263, 302916872, 342002920, 378646090, 530104526, 605833744, 684005840, 757292180, 1060209052, 1325261315, 1514584360, 2120418104, 2650522630, 3029168720, 4240836208, 5301045260, 10602090520, 21204181040]

約数ペア:

[(1, 21204181040), (2, 10602090520), (4, 5301045260), (5, 4240836208), (7, 3029168720), (8, 2650522630), (10, 2120418104), (14, 1514584360), (16, 1325261315), (20, 1060209052), (28, 757292180), (31, 684005840), (35, 605833744), (40, 530104526), (56, 378646090), (62, 342002920), (70, 302916872), (80, 265052263), (112, 189323045), (124, 171001460), (140, 151458436), (151, 140425040), (155, 136801168), (217, 97715120), (248, 85500730), (280, 75729218), (302, 70212520), (310, 68400584), (434, 48857560), (496, 42750365), (560, 37864609), (604, 35106260), (620, 34200292), (755, 28085008), (868, 24428780), (1057, 20060720), (1085, 19543024), (1208, 17553130), (1240, 17100146), (1510, 14042504), (1736, 12214390), (2114, 10030360), (2170, 9771512), (2416, 8776565), (2480, 8550073), (3020, 7021252), (3472, 6107195), (4228, 5015180), (4340, 4885756), (4681, 4529840), (5285, 4012144), (6040, 3510626), (8089, 2621360), (8456, 2507590), (8680, 2442878), (9362, 2264920), (10570, 2006072), (12080, 1755313), (16178, 1310680), (16912, 1253795), (17360, 1221439), (18724, 1132460), (21140, 1003036), (23405, 905968), (32356, 655340), (32767, 647120), (37448, 566230), (40445, 524272), (42280, 501518), (46810, 452984), (56623, 374480), (64712, 327670), (65534, 323560), (74896, 283115), (80890, 262136), (84560, 250759), (93620, 226492), (113246, 187240), (129424, 163835), (131068, 161780)]