21554176

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 88

約数和(自身を含む): 51355136

約数和(自身を除く): 29800960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 97, 112, 124, 128, 194, 217, 224, 248, 256, 388, 434, 448, 496, 512, 679, 776, 868, 896, 992, 1024, 1358, 1552, 1736, 1792, 1984, 2716, 3007, 3104, 3472, 3584, 3968, 5432, 6014, 6208, 6944, 7168, 7936, 10864, 12028, 12416, 13888, 15872, 21049, 21728, 24056, 24832, 27776, 31744, 42098, 43456, 48112, 49664, 55552, 84196, 86912, 96224, 99328, 111104, 168392, 173824, 192448, 222208, 336784, 347648, 384896, 673568, 695296, 769792, 1347136, 1539584, 2694272, 3079168, 5388544, 10777088, 21554176]

約数ペア:

[(1, 21554176), (2, 10777088), (4, 5388544), (7, 3079168), (8, 2694272), (14, 1539584), (16, 1347136), (28, 769792), (31, 695296), (32, 673568), (56, 384896), (62, 347648), (64, 336784), (97, 222208), (112, 192448), (124, 173824), (128, 168392), (194, 111104), (217, 99328), (224, 96224), (248, 86912), (256, 84196), (388, 55552), (434, 49664), (448, 48112), (496, 43456), (512, 42098), (679, 31744), (776, 27776), (868, 24832), (896, 24056), (992, 21728), (1024, 21049), (1358, 15872), (1552, 13888), (1736, 12416), (1792, 12028), (1984, 10864), (2716, 7936), (3007, 7168), (3104, 6944), (3472, 6208), (3584, 6014), (3968, 5432)]