21342048

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 144

約数和(自身を含む): 70383600

約数和(自身を除く): 49041552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 78, 84, 91, 96, 98, 104, 112, 147, 156, 168, 182, 196, 208, 224, 273, 294, 312, 336, 349, 364, 392, 416, 546, 588, 624, 637, 672, 698, 728, 784, 1047, 1092, 1176, 1248, 1274, 1396, 1456, 1568, 1911, 2094, 2184, 2352, 2443, 2548, 2792, 2912, 3822, 4188, 4368, 4537, 4704, 4886, 5096, 5584, 7329, 7644, 8376, 8736, 9074, 9772, 10192, 11168, 13611, 14658, 15288, 16752, 17101, 18148, 19544, 20384, 27222, 29316, 30576, 31759, 33504, 34202, 36296, 39088, 51303, 54444, 58632, 61152, 63518, 68404, 72592, 78176, 95277, 102606, 108888, 117264, 127036, 136808, 145184, 190554, 205212, 217776, 222313, 234528, 254072, 273616, 381108, 410424, 435552, 444626, 508144, 547232, 666939, 762216, 820848, 889252, 1016288, 1333878, 1524432, 1641696, 1778504, 2667756, 3048864, 3557008, 5335512, 7114016, 10671024, 21342048]

約数ペア:

[(1, 21342048), (2, 10671024), (3, 7114016), (4, 5335512), (6, 3557008), (7, 3048864), (8, 2667756), (12, 1778504), (13, 1641696), (14, 1524432), (16, 1333878), (21, 1016288), (24, 889252), (26, 820848), (28, 762216), (32, 666939), (39, 547232), (42, 508144), (48, 444626), (49, 435552), (52, 410424), (56, 381108), (78, 273616), (84, 254072), (91, 234528), (96, 222313), (98, 217776), (104, 205212), (112, 190554), (147, 145184), (156, 136808), (168, 127036), (182, 117264), (196, 108888), (208, 102606), (224, 95277), (273, 78176), (294, 72592), (312, 68404), (336, 63518), (349, 61152), (364, 58632), (392, 54444), (416, 51303), (546, 39088), (588, 36296), (624, 34202), (637, 33504), (672, 31759), (698, 30576), (728, 29316), (784, 27222), (1047, 20384), (1092, 19544), (1176, 18148), (1248, 17101), (1274, 16752), (1396, 15288), (1456, 14658), (1568, 13611), (1911, 11168), (2094, 10192), (2184, 9772), (2352, 9074), (2443, 8736), (2548, 8376), (2792, 7644), (2912, 7329), (3822, 5584), (4188, 5096), (4368, 4886), (4537, 4704)]