21174240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1472

約数の個数: 96

約数和(自身を含む): 68898816

約数和(自身を除く): 47724576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1423, 1488, 1860, 2480, 2846, 2976, 3720, 4269, 4960, 5692, 7115, 7440, 8538, 11384, 14230, 14880, 17076, 21345, 22768, 28460, 34152, 42690, 44113, 45536, 56920, 68304, 85380, 88226, 113840, 132339, 136608, 170760, 176452, 220565, 227680, 264678, 341520, 352904, 441130, 529356, 661695, 683040, 705808, 882260, 1058712, 1323390, 1411616, 1764520, 2117424, 2646780, 3529040, 4234848, 5293560, 7058080, 10587120, 21174240]

約数ペア:

[(1, 21174240), (2, 10587120), (3, 7058080), (4, 5293560), (5, 4234848), (6, 3529040), (8, 2646780), (10, 2117424), (12, 1764520), (15, 1411616), (16, 1323390), (20, 1058712), (24, 882260), (30, 705808), (31, 683040), (32, 661695), (40, 529356), (48, 441130), (60, 352904), (62, 341520), (80, 264678), (93, 227680), (96, 220565), (120, 176452), (124, 170760), (155, 136608), (160, 132339), (186, 113840), (240, 88226), (248, 85380), (310, 68304), (372, 56920), (465, 45536), (480, 44113), (496, 42690), (620, 34152), (744, 28460), (930, 22768), (992, 21345), (1240, 17076), (1423, 14880), (1488, 14230), (1860, 11384), (2480, 8538), (2846, 7440), (2976, 7115), (3720, 5692), (4269, 4960)]