21869344

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5743}}^1$

素因数の和:5777

約数の個数: 48

約数和(自身を含む): 52109568

約数和(自身を除く): 30240224

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5743, 11486, 22972, 40201, 45944, 80402, 91888, 97631, 160804, 183776, 195262, 321608, 390524, 643216, 683417, 781048, 1286432, 1366834, 1562096, 2733668, 3124192, 5467336, 10934672, 21869344]

約数ペア:

[(1, 21869344), (2, 10934672), (4, 5467336), (7, 3124192), (8, 2733668), (14, 1562096), (16, 1366834), (17, 1286432), (28, 781048), (32, 683417), (34, 643216), (56, 390524), (68, 321608), (112, 195262), (119, 183776), (136, 160804), (224, 97631), (238, 91888), (272, 80402), (476, 45944), (544, 40201), (952, 22972), (1904, 11486), (3808, 5743)]