21617344

素因数分解:

$2^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:753

約数の個数: 56

約数和(自身を含む): 49771808

約数和(自身を除く): 28154464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 448, 511, 584, 661, 1022, 1168, 1322, 2044, 2336, 2644, 4088, 4627, 4672, 5288, 8176, 9254, 10576, 16352, 18508, 21152, 32704, 37016, 42304, 48253, 74032, 96506, 148064, 193012, 296128, 337771, 386024, 675542, 772048, 1351084, 1544096, 2702168, 3088192, 5404336, 10808672, 21617344]

約数ペア:

[(1, 21617344), (2, 10808672), (4, 5404336), (7, 3088192), (8, 2702168), (14, 1544096), (16, 1351084), (28, 772048), (32, 675542), (56, 386024), (64, 337771), (73, 296128), (112, 193012), (146, 148064), (224, 96506), (292, 74032), (448, 48253), (511, 42304), (584, 37016), (661, 32704), (1022, 21152), (1168, 18508), (1322, 16352), (2044, 10576), (2336, 9254), (2644, 8176), (4088, 5288), (4627, 4672)]