21161665056

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31490573}}^1$

素因数の和:31490593

約数の個数: 48

約数和(自身を含む): 63484997184

約数和(自身を除く): 42323332128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31490573, 62981146, 94471719, 125962292, 188943438, 220434011, 251924584, 377886876, 440868022, 503849168, 661302033, 755773752, 881736044, 1007698336, 1322604066, 1511547504, 1763472088, 2645208132, 3023095008, 3526944176, 5290416264, 7053888352, 10580832528, 21161665056]

約数ペア:

[(1, 21161665056), (2, 10580832528), (3, 7053888352), (4, 5290416264), (6, 3526944176), (7, 3023095008), (8, 2645208132), (12, 1763472088), (14, 1511547504), (16, 1322604066), (21, 1007698336), (24, 881736044), (28, 755773752), (32, 661302033), (42, 503849168), (48, 440868022), (56, 377886876), (84, 251924584), (96, 220434011), (112, 188943438), (168, 125962292), (224, 94471719), (336, 62981146), (672, 31490573)]