21525120

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 77093640

約数和(自身を除く): 55568520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 101, 111, 120, 128, 144, 148, 160, 180, 185, 192, 202, 222, 240, 288, 296, 303, 320, 333, 360, 370, 384, 404, 444, 480, 505, 555, 576, 592, 606, 640, 666, 720, 740, 808, 888, 909, 960, 1010, 1110, 1152, 1184, 1212, 1332, 1440, 1480, 1515, 1616, 1665, 1776, 1818, 1920, 2020, 2220, 2368, 2424, 2664, 2880, 2960, 3030, 3232, 3330, 3552, 3636, 3737, 4040, 4440, 4545, 4736, 4848, 5328, 5760, 5920, 6060, 6464, 6660, 7104, 7272, 7474, 8080, 8880, 9090, 9696, 10656, 11211, 11840, 12120, 12928, 13320, 14208, 14544, 14948, 16160, 17760, 18180, 18685, 19392, 21312, 22422, 23680, 24240, 26640, 29088, 29896, 32320, 33633, 35520, 36360, 37370, 38784, 42624, 44844, 48480, 53280, 56055, 58176, 59792, 64640, 67266, 71040, 72720, 74740, 89688, 96960, 106560, 112110, 116352, 119584, 134532, 145440, 149480, 168165, 179376, 193920, 213120, 224220, 239168, 269064, 290880, 298960, 336330, 358752, 448440, 478336, 538128, 581760, 597920, 672660, 717504, 896880, 1076256, 1195840, 1345320, 1435008, 1793760, 2152512, 2391680, 2690640, 3587520, 4305024, 5381280, 7175040, 10762560, 21525120]

約数ペア:

[(1, 21525120), (2, 10762560), (3, 7175040), (4, 5381280), (5, 4305024), (6, 3587520), (8, 2690640), (9, 2391680), (10, 2152512), (12, 1793760), (15, 1435008), (16, 1345320), (18, 1195840), (20, 1076256), (24, 896880), (30, 717504), (32, 672660), (36, 597920), (37, 581760), (40, 538128), (45, 478336), (48, 448440), (60, 358752), (64, 336330), (72, 298960), (74, 290880), (80, 269064), (90, 239168), (96, 224220), (101, 213120), (111, 193920), (120, 179376), (128, 168165), (144, 149480), (148, 145440), (160, 134532), (180, 119584), (185, 116352), (192, 112110), (202, 106560), (222, 96960), (240, 89688), (288, 74740), (296, 72720), (303, 71040), (320, 67266), (333, 64640), (360, 59792), (370, 58176), (384, 56055), (404, 53280), (444, 48480), (480, 44844), (505, 42624), (555, 38784), (576, 37370), (592, 36360), (606, 35520), (640, 33633), (666, 32320), (720, 29896), (740, 29088), (808, 26640), (888, 24240), (909, 23680), (960, 22422), (1010, 21312), (1110, 19392), (1152, 18685), (1184, 18180), (1212, 17760), (1332, 16160), (1440, 14948), (1480, 14544), (1515, 14208), (1616, 13320), (1665, 12928), (1776, 12120), (1818, 11840), (1920, 11211), (2020, 10656), (2220, 9696), (2368, 9090), (2424, 8880), (2664, 8080), (2880, 7474), (2960, 7272), (3030, 7104), (3232, 6660), (3330, 6464), (3552, 6060), (3636, 5920), (3737, 5760), (4040, 5328), (4440, 4848), (4545, 4736)]