21416668

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3461}}^1$

素因数の和:3502

約数の個数: 48

約数和(自身を含む): 48855744

約数和(自身を除く): 27439076

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3461, 6188, 6922, 13844, 24227, 44993, 48454, 58837, 89986, 96908, 117674, 179972, 235348, 314951, 411859, 629902, 764881, 823718, 1259804, 1529762, 1647436, 3059524, 5354167, 10708334, 21416668]

約数ペア:

[(1, 21416668), (2, 10708334), (4, 5354167), (7, 3059524), (13, 1647436), (14, 1529762), (17, 1259804), (26, 823718), (28, 764881), (34, 629902), (52, 411859), (68, 314951), (91, 235348), (119, 179972), (182, 117674), (221, 96908), (238, 89986), (364, 58837), (442, 48454), (476, 44993), (884, 24227), (1547, 13844), (3094, 6922), (3461, 6188)]