21458372608

素因数分解:

$2^{11}\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17789}}^1$

素因数の和:17861

約数の個数: 96

約数和(自身を含む): 46624032000

約数和(自身を除く): 25165659392

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 512, 589, 608, 992, 1024, 1178, 1216, 1984, 2048, 2356, 2432, 3968, 4712, 4864, 7936, 9424, 9728, 15872, 17789, 18848, 19456, 31744, 35578, 37696, 38912, 63488, 71156, 75392, 142312, 150784, 284624, 301568, 337991, 551459, 569248, 603136, 675982, 1102918, 1138496, 1206272, 1351964, 2205836, 2276992, 2703928, 4411672, 4553984, 5407856, 8823344, 9107968, 10477721, 10815712, 17646688, 18215936, 20955442, 21631424, 35293376, 36431872, 41910884, 43262848, 70586752, 83821768, 86525696, 141173504, 167643536, 173051392, 282347008, 335287072, 346102784, 564694016, 670574144, 692205568, 1129388032, 1341148288, 2682296576, 5364593152, 10729186304, 21458372608]

約数ペア:

[(1, 21458372608), (2, 10729186304), (4, 5364593152), (8, 2682296576), (16, 1341148288), (19, 1129388032), (31, 692205568), (32, 670574144), (38, 564694016), (62, 346102784), (64, 335287072), (76, 282347008), (124, 173051392), (128, 167643536), (152, 141173504), (248, 86525696), (256, 83821768), (304, 70586752), (496, 43262848), (512, 41910884), (589, 36431872), (608, 35293376), (992, 21631424), (1024, 20955442), (1178, 18215936), (1216, 17646688), (1984, 10815712), (2048, 10477721), (2356, 9107968), (2432, 8823344), (3968, 5407856), (4712, 4553984), (4864, 4411672), (7936, 2703928), (9424, 2276992), (9728, 2205836), (15872, 1351964), (17789, 1206272), (18848, 1138496), (19456, 1102918), (31744, 675982), (35578, 603136), (37696, 569248), (38912, 551459), (63488, 337991), (71156, 301568), (75392, 284624), (142312, 150784)]