21234240

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 168

約数和(自身を含む): 74770488

約数和(自身を除く): 53536248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 73, 80, 90, 96, 101, 120, 144, 146, 160, 180, 192, 202, 219, 240, 288, 292, 303, 320, 360, 365, 404, 438, 480, 505, 576, 584, 606, 657, 720, 730, 808, 876, 909, 960, 1010, 1095, 1168, 1212, 1314, 1440, 1460, 1515, 1616, 1752, 1818, 2020, 2190, 2336, 2424, 2628, 2880, 2920, 3030, 3232, 3285, 3504, 3636, 4040, 4380, 4545, 4672, 4848, 5256, 5840, 6060, 6464, 6570, 7008, 7272, 7373, 8080, 8760, 9090, 9696, 10512, 11680, 12120, 13140, 14016, 14544, 14746, 16160, 17520, 18180, 19392, 21024, 22119, 23360, 24240, 26280, 29088, 29492, 32320, 35040, 36360, 36865, 42048, 44238, 48480, 52560, 58176, 58984, 66357, 70080, 72720, 73730, 88476, 96960, 105120, 110595, 117968, 132714, 145440, 147460, 176952, 210240, 221190, 235936, 265428, 290880, 294920, 331785, 353904, 442380, 471872, 530856, 589840, 663570, 707808, 884760, 1061712, 1179680, 1327140, 1415616, 1769520, 2123424, 2359360, 2654280, 3539040, 4246848, 5308560, 7078080, 10617120, 21234240]

約数ペア:

[(1, 21234240), (2, 10617120), (3, 7078080), (4, 5308560), (5, 4246848), (6, 3539040), (8, 2654280), (9, 2359360), (10, 2123424), (12, 1769520), (15, 1415616), (16, 1327140), (18, 1179680), (20, 1061712), (24, 884760), (30, 707808), (32, 663570), (36, 589840), (40, 530856), (45, 471872), (48, 442380), (60, 353904), (64, 331785), (72, 294920), (73, 290880), (80, 265428), (90, 235936), (96, 221190), (101, 210240), (120, 176952), (144, 147460), (146, 145440), (160, 132714), (180, 117968), (192, 110595), (202, 105120), (219, 96960), (240, 88476), (288, 73730), (292, 72720), (303, 70080), (320, 66357), (360, 58984), (365, 58176), (404, 52560), (438, 48480), (480, 44238), (505, 42048), (576, 36865), (584, 36360), (606, 35040), (657, 32320), (720, 29492), (730, 29088), (808, 26280), (876, 24240), (909, 23360), (960, 22119), (1010, 21024), (1095, 19392), (1168, 18180), (1212, 17520), (1314, 16160), (1440, 14746), (1460, 14544), (1515, 14016), (1616, 13140), (1752, 12120), (1818, 11680), (2020, 10512), (2190, 9696), (2336, 9090), (2424, 8760), (2628, 8080), (2880, 7373), (2920, 7272), (3030, 7008), (3232, 6570), (3285, 6464), (3504, 6060), (3636, 5840), (4040, 5256), (4380, 4848), (4545, 4672)]