21906865232

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{55837}}^1$

素因数の和:55996

約数の個数: 80

約数和(自身を含む): 50516861952

約数和(自身を除く): 28609996720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 113, 124, 217, 226, 248, 434, 452, 496, 791, 868, 904, 1582, 1736, 1808, 3164, 3472, 3503, 6328, 7006, 12656, 14012, 24521, 28024, 49042, 55837, 56048, 98084, 111674, 196168, 223348, 390859, 392336, 446696, 781718, 893392, 1563436, 1730947, 3126872, 3461894, 6253744, 6309581, 6923788, 12116629, 12619162, 13847576, 24233258, 25238324, 27695152, 44167067, 48466516, 50476648, 88334134, 96933032, 100953296, 176668268, 193866064, 195597011, 353336536, 391194022, 706673072, 782388044, 1369179077, 1564776088, 2738358154, 3129552176, 5476716308, 10953432616, 21906865232]

約数ペア:

[(1, 21906865232), (2, 10953432616), (4, 5476716308), (7, 3129552176), (8, 2738358154), (14, 1564776088), (16, 1369179077), (28, 782388044), (31, 706673072), (56, 391194022), (62, 353336536), (112, 195597011), (113, 193866064), (124, 176668268), (217, 100953296), (226, 96933032), (248, 88334134), (434, 50476648), (452, 48466516), (496, 44167067), (791, 27695152), (868, 25238324), (904, 24233258), (1582, 13847576), (1736, 12619162), (1808, 12116629), (3164, 6923788), (3472, 6309581), (3503, 6253744), (6328, 3461894), (7006, 3126872), (12656, 1730947), (14012, 1563436), (24521, 893392), (28024, 781718), (49042, 446696), (55837, 392336), (56048, 390859), (98084, 223348), (111674, 196168)]