21603223208

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{89527}}^1$

素因数の和:89710

約数の個数: 64

約数和(自身を含む): 48130252800

約数和(自身を除く): 26527029592

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 139, 217, 248, 278, 434, 556, 868, 973, 1112, 1736, 1946, 3892, 4309, 7784, 8618, 17236, 30163, 34472, 60326, 89527, 120652, 179054, 241304, 358108, 626689, 716216, 1253378, 2506756, 2775337, 5013512, 5550674, 11101348, 12444253, 19427359, 22202696, 24888506, 38854718, 49777012, 77709436, 87109771, 99554024, 155418872, 174219542, 348439084, 385771843, 696878168, 771543686, 1543087372, 2700402901, 3086174744, 5400805802, 10801611604, 21603223208]

約数ペア:

[(1, 21603223208), (2, 10801611604), (4, 5400805802), (7, 3086174744), (8, 2700402901), (14, 1543087372), (28, 771543686), (31, 696878168), (56, 385771843), (62, 348439084), (124, 174219542), (139, 155418872), (217, 99554024), (248, 87109771), (278, 77709436), (434, 49777012), (556, 38854718), (868, 24888506), (973, 22202696), (1112, 19427359), (1736, 12444253), (1946, 11101348), (3892, 5550674), (4309, 5013512), (7784, 2775337), (8618, 2506756), (17236, 1253378), (30163, 716216), (34472, 626689), (60326, 358108), (89527, 241304), (120652, 179054)]