21879456

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^2\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 72

約数和(自身を含む): 59701824

約数和(自身を除く): 37822368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 271, 348, 464, 542, 696, 813, 841, 928, 1084, 1392, 1626, 1682, 2168, 2523, 2784, 3252, 3364, 4336, 5046, 6504, 6728, 7859, 8672, 10092, 13008, 13456, 15718, 20184, 23577, 26016, 26912, 31436, 40368, 47154, 62872, 80736, 94308, 125744, 188616, 227911, 251488, 377232, 455822, 683733, 754464, 911644, 1367466, 1823288, 2734932, 3646576, 5469864, 7293152, 10939728, 21879456]

約数ペア:

[(1, 21879456), (2, 10939728), (3, 7293152), (4, 5469864), (6, 3646576), (8, 2734932), (12, 1823288), (16, 1367466), (24, 911644), (29, 754464), (32, 683733), (48, 455822), (58, 377232), (87, 251488), (96, 227911), (116, 188616), (174, 125744), (232, 94308), (271, 80736), (348, 62872), (464, 47154), (542, 40368), (696, 31436), (813, 26912), (841, 26016), (928, 23577), (1084, 20184), (1392, 15718), (1626, 13456), (1682, 13008), (2168, 10092), (2523, 8672), (2784, 7859), (3252, 6728), (3364, 6504), (4336, 5046)]