21297310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 21833570

約数列:

[1, 2, 5, 10, 23, 29, 31, 46, 58, 62, 103, 115, 145, 155, 206, 230, 290, 310, 515, 667, 713, 899, 1030, 1334, 1426, 1798, 2369, 2987, 3193, 3335, 3565, 4495, 4738, 5974, 6386, 6670, 7130, 8990, 11845, 14935, 15965, 20677, 23690, 29870, 31930, 41354, 68701, 73439, 92597, 103385, 137402, 146878, 185194, 206770, 343505, 367195, 462985, 687010, 734390, 925970, 2129731, 4259462, 10648655, 21297310]

約数ペア:

[(1, 21297310), (2, 10648655), (5, 4259462), (10, 2129731), (23, 925970), (29, 734390), (31, 687010), (46, 462985), (58, 367195), (62, 343505), (103, 206770), (115, 185194), (145, 146878), (155, 137402), (206, 103385), (230, 92597), (290, 73439), (310, 68701), (515, 41354), (667, 31930), (713, 29870), (899, 23690), (1030, 20677), (1334, 15965), (1426, 14935), (1798, 11845), (2369, 8990), (2987, 7130), (3193, 6670), (3335, 6386), (3565, 5974), (4495, 4738)]