21836704120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{31793}}^1$

素因数の和:32045

約数の個数: 128

約数和(自身を含む): 61532835840

約数和(自身を除く): 39696131720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 223, 280, 308, 385, 440, 446, 616, 770, 892, 1115, 1540, 1561, 1784, 2230, 2453, 3080, 3122, 4460, 4906, 6244, 7805, 8920, 9812, 12265, 12488, 15610, 17171, 19624, 24530, 31220, 31793, 34342, 49060, 62440, 63586, 68684, 85855, 98120, 127172, 137368, 158965, 171710, 222551, 254344, 317930, 343420, 349723, 445102, 635860, 686840, 699446, 890204, 1112755, 1271720, 1398892, 1748615, 1780408, 2225510, 2448061, 2797784, 3497230, 4451020, 4896122, 6994460, 7089839, 8902040, 9792244, 12240305, 13988920, 14179678, 19584488, 24480610, 28359356, 35449195, 48961220, 49628873, 56718712, 70898390, 77988229, 97922440, 99257746, 141796780, 155976458, 198515492, 248144365, 283593560, 311952916, 389941145, 397030984, 496288730, 545917603, 623905832, 779882290, 992577460, 1091835206, 1559764580, 1985154920, 2183670412, 2729588015, 3119529160, 4367340824, 5459176030, 10918352060, 21836704120]

約数ペア:

[(1, 21836704120), (2, 10918352060), (4, 5459176030), (5, 4367340824), (7, 3119529160), (8, 2729588015), (10, 2183670412), (11, 1985154920), (14, 1559764580), (20, 1091835206), (22, 992577460), (28, 779882290), (35, 623905832), (40, 545917603), (44, 496288730), (55, 397030984), (56, 389941145), (70, 311952916), (77, 283593560), (88, 248144365), (110, 198515492), (140, 155976458), (154, 141796780), (220, 99257746), (223, 97922440), (280, 77988229), (308, 70898390), (385, 56718712), (440, 49628873), (446, 48961220), (616, 35449195), (770, 28359356), (892, 24480610), (1115, 19584488), (1540, 14179678), (1561, 13988920), (1784, 12240305), (2230, 9792244), (2453, 8902040), (3080, 7089839), (3122, 6994460), (4460, 4896122), (4906, 4451020), (6244, 3497230), (7805, 2797784), (8920, 2448061), (9812, 2225510), (12265, 1780408), (12488, 1748615), (15610, 1398892), (17171, 1271720), (19624, 1112755), (24530, 890204), (31220, 699446), (31793, 686840), (34342, 635860), (49060, 445102), (62440, 349723), (63586, 343420), (68684, 317930), (85855, 254344), (98120, 222551), (127172, 171710), (137368, 158965)]