21606288

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 61519872

約数和(自身を除く): 39913584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 151, 176, 264, 271, 302, 453, 528, 542, 604, 813, 906, 1084, 1208, 1626, 1661, 1812, 2168, 2416, 2981, 3252, 3322, 3624, 4336, 4983, 5962, 6504, 6644, 7248, 8943, 9966, 11924, 13008, 13288, 17886, 19932, 23848, 26576, 35772, 39864, 40921, 47696, 71544, 79728, 81842, 122763, 143088, 163684, 245526, 327368, 450131, 491052, 654736, 900262, 982104, 1350393, 1800524, 1964208, 2700786, 3601048, 5401572, 7202096, 10803144, 21606288]

約数ペア:

[(1, 21606288), (2, 10803144), (3, 7202096), (4, 5401572), (6, 3601048), (8, 2700786), (11, 1964208), (12, 1800524), (16, 1350393), (22, 982104), (24, 900262), (33, 654736), (44, 491052), (48, 450131), (66, 327368), (88, 245526), (132, 163684), (151, 143088), (176, 122763), (264, 81842), (271, 79728), (302, 71544), (453, 47696), (528, 40921), (542, 39864), (604, 35772), (813, 26576), (906, 23848), (1084, 19932), (1208, 17886), (1626, 13288), (1661, 13008), (1812, 11924), (2168, 9966), (2416, 8943), (2981, 7248), (3252, 6644), (3322, 6504), (3624, 5962), (4336, 4983)]