21243144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68087}}^1$

素因数の和:68109

約数の個数: 32

約数和(自身を含む): 57193920

約数和(自身を除く): 35950776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68087, 136174, 204261, 272348, 408522, 544696, 817044, 885131, 1634088, 1770262, 2655393, 3540524, 5310786, 7081048, 10621572, 21243144]

約数ペア:

[(1, 21243144), (2, 10621572), (3, 7081048), (4, 5310786), (6, 3540524), (8, 2655393), (12, 1770262), (13, 1634088), (24, 885131), (26, 817044), (39, 544696), (52, 408522), (78, 272348), (104, 204261), (156, 136174), (312, 68087)]