21172944

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33931}}^1$

素因数の和:33955

約数の個数: 40

約数和(自身を含む): 58905952

約数和(自身を除く): 37733008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33931, 67862, 101793, 135724, 203586, 271448, 407172, 441103, 542896, 814344, 882206, 1323309, 1628688, 1764412, 2646618, 3528824, 5293236, 7057648, 10586472, 21172944]

約数ペア:

[(1, 21172944), (2, 10586472), (3, 7057648), (4, 5293236), (6, 3528824), (8, 2646618), (12, 1764412), (13, 1628688), (16, 1323309), (24, 882206), (26, 814344), (39, 542896), (48, 441103), (52, 407172), (78, 271448), (104, 203586), (156, 135724), (208, 101793), (312, 67862), (624, 33931)]