21180596344

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1\times {\mathrm{6343}}^1$

素因数の和:6980

約数の個数: 64

約数和(自身を含む): 43109763840

約数和(自身を除く): 21929167496

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 571, 731, 1142, 1462, 2284, 2924, 4568, 5848, 6343, 9707, 12686, 19414, 24553, 25372, 38828, 49106, 50744, 77656, 98212, 107831, 196424, 215662, 272749, 417401, 431324, 545498, 834802, 862648, 1090996, 1669604, 2181992, 3339208, 3621853, 4636733, 7243706, 9273466, 14487412, 18546932, 28974824, 37093864, 61571501, 123143002, 155739679, 246286004, 311479358, 492572008, 622958716, 1245917432, 2647574543, 5295149086, 10590298172, 21180596344]

約数ペア:

[(1, 21180596344), (2, 10590298172), (4, 5295149086), (8, 2647574543), (17, 1245917432), (34, 622958716), (43, 492572008), (68, 311479358), (86, 246286004), (136, 155739679), (172, 123143002), (344, 61571501), (571, 37093864), (731, 28974824), (1142, 18546932), (1462, 14487412), (2284, 9273466), (2924, 7243706), (4568, 4636733), (5848, 3621853), (6343, 3339208), (9707, 2181992), (12686, 1669604), (19414, 1090996), (24553, 862648), (25372, 834802), (38828, 545498), (49106, 431324), (50744, 417401), (77656, 272749), (98212, 215662), (107831, 196424)]