20921334

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71161}}^1$

素因数の和:71180

約数の個数: 24

約数和(自身を含む): 48674808

約数和(自身を除く): 27753474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71161, 142322, 213483, 426966, 498127, 996254, 1494381, 2988762, 3486889, 6973778, 10460667, 20921334]

約数ペア:

[(1, 20921334), (2, 10460667), (3, 6973778), (6, 3486889), (7, 2988762), (14, 1494381), (21, 996254), (42, 498127), (49, 426966), (98, 213483), (147, 142322), (294, 71161)]