21226320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:370

約数の個数: 160

約数和(自身を含む): 75709440

約数和(自身を除く): 54483120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 317, 360, 372, 432, 465, 496, 540, 558, 620, 634, 720, 744, 837, 930, 951, 1080, 1116, 1240, 1268, 1395, 1488, 1585, 1674, 1860, 1902, 2160, 2232, 2480, 2536, 2790, 2853, 3170, 3348, 3720, 3804, 4185, 4464, 4755, 5072, 5580, 5706, 6340, 6696, 7440, 7608, 8370, 8559, 9510, 9827, 11160, 11412, 12680, 13392, 14265, 15216, 16740, 17118, 19020, 19654, 22320, 22824, 25360, 28530, 29481, 33480, 34236, 38040, 39308, 42795, 45648, 49135, 57060, 58962, 66960, 68472, 76080, 78616, 85590, 88443, 98270, 114120, 117924, 136944, 147405, 157232, 171180, 176886, 196540, 228240, 235848, 265329, 294810, 342360, 353772, 393080, 442215, 471696, 530658, 589620, 684720, 707544, 786160, 884430, 1061316, 1179240, 1326645, 1415088, 1768860, 2122632, 2358480, 2653290, 3537720, 4245264, 5306580, 7075440, 10613160, 21226320]

約数ペア:

[(1, 21226320), (2, 10613160), (3, 7075440), (4, 5306580), (5, 4245264), (6, 3537720), (8, 2653290), (9, 2358480), (10, 2122632), (12, 1768860), (15, 1415088), (16, 1326645), (18, 1179240), (20, 1061316), (24, 884430), (27, 786160), (30, 707544), (31, 684720), (36, 589620), (40, 530658), (45, 471696), (48, 442215), (54, 393080), (60, 353772), (62, 342360), (72, 294810), (80, 265329), (90, 235848), (93, 228240), (108, 196540), (120, 176886), (124, 171180), (135, 157232), (144, 147405), (155, 136944), (180, 117924), (186, 114120), (216, 98270), (240, 88443), (248, 85590), (270, 78616), (279, 76080), (310, 68472), (317, 66960), (360, 58962), (372, 57060), (432, 49135), (465, 45648), (496, 42795), (540, 39308), (558, 38040), (620, 34236), (634, 33480), (720, 29481), (744, 28530), (837, 25360), (930, 22824), (951, 22320), (1080, 19654), (1116, 19020), (1240, 17118), (1268, 16740), (1395, 15216), (1488, 14265), (1585, 13392), (1674, 12680), (1860, 11412), (1902, 11160), (2160, 9827), (2232, 9510), (2480, 8559), (2536, 8370), (2790, 7608), (2853, 7440), (3170, 6696), (3348, 6340), (3720, 5706), (3804, 5580), (4185, 5072), (4464, 4755)]