21421237088

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{5527}}^1\times {\mathrm{3907}}^1$

素因数の和:9475

約数の個数: 48

約数和(自身を含む): 43552502784

約数和(自身を除く): 22131265696

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 3907, 5527, 7814, 11054, 15628, 22108, 31256, 44216, 62512, 88432, 121117, 125024, 171337, 176864, 242234, 342674, 484468, 685348, 968936, 1370696, 1937872, 2741392, 3875744, 5482784, 21593989, 43187978, 86375956, 172751912, 345503824, 669413659, 691007648, 1338827318, 2677654636, 5355309272, 10710618544, 21421237088]

約数ペア:

[(1, 21421237088), (2, 10710618544), (4, 5355309272), (8, 2677654636), (16, 1338827318), (31, 691007648), (32, 669413659), (62, 345503824), (124, 172751912), (248, 86375956), (496, 43187978), (992, 21593989), (3907, 5482784), (5527, 3875744), (7814, 2741392), (11054, 1937872), (15628, 1370696), (22108, 968936), (31256, 685348), (44216, 484468), (62512, 342674), (88432, 242234), (121117, 176864), (125024, 171337)]