21539974320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{421361}}^1$

素因数の和:421451

約数の個数: 120

約数和(自身を含む): 73357438752

約数和(自身を除く): 51817464432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12780, 17040, 25560, 51120, 421361, 842722, 1264083, 1685444, 2106805, 2528166, 3370888, 3792249, 4213610, 5056332, 6320415, 6741776, 7584498, 8427220, 10112664, 12640830, 15168996, 16854440, 18961245, 20225328, 25281660, 29916631, 30337992, 33708880, 37922490, 50563320, 59833262, 60675984, 75844980, 89749893, 101126640, 119666524, 149583155, 151689960, 179499786, 239333048, 269249679, 299166310, 303379920, 358999572, 448749465, 478666096, 538499358, 598332620, 717999144, 897498930, 1076998716, 1196665240, 1346248395, 1435998288, 1794997860, 2153997432, 2393330480, 2692496790, 3589995720, 4307994864, 5384993580, 7179991440, 10769987160, 21539974320]

約数ペア:

[(1, 21539974320), (2, 10769987160), (3, 7179991440), (4, 5384993580), (5, 4307994864), (6, 3589995720), (8, 2692496790), (9, 2393330480), (10, 2153997432), (12, 1794997860), (15, 1435998288), (16, 1346248395), (18, 1196665240), (20, 1076998716), (24, 897498930), (30, 717999144), (36, 598332620), (40, 538499358), (45, 478666096), (48, 448749465), (60, 358999572), (71, 303379920), (72, 299166310), (80, 269249679), (90, 239333048), (120, 179499786), (142, 151689960), (144, 149583155), (180, 119666524), (213, 101126640), (240, 89749893), (284, 75844980), (355, 60675984), (360, 59833262), (426, 50563320), (568, 37922490), (639, 33708880), (710, 30337992), (720, 29916631), (852, 25281660), (1065, 20225328), (1136, 18961245), (1278, 16854440), (1420, 15168996), (1704, 12640830), (2130, 10112664), (2556, 8427220), (2840, 7584498), (3195, 6741776), (3408, 6320415), (4260, 5056332), (5112, 4213610), (5680, 3792249), (6390, 3370888), (8520, 2528166), (10224, 2106805), (12780, 1685444), (17040, 1264083), (25560, 842722), (51120, 421361)]