21534854

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 38265696

約数和(自身を除く): 16730842

約数列:

[1, 2, 11, 22, 23, 46, 53, 73, 106, 121, 146, 242, 253, 506, 583, 803, 1166, 1219, 1606, 1679, 2438, 2783, 3358, 3869, 5566, 6413, 7738, 8833, 12826, 13409, 17666, 18469, 26818, 36938, 42559, 85118, 88987, 147499, 177974, 203159, 294998, 406318, 468149, 936298, 978857, 1957714, 10767427, 21534854]

約数ペア:

[(1, 21534854), (2, 10767427), (11, 1957714), (22, 978857), (23, 936298), (46, 468149), (53, 406318), (73, 294998), (106, 203159), (121, 177974), (146, 147499), (242, 88987), (253, 85118), (506, 42559), (583, 36938), (803, 26818), (1166, 18469), (1219, 17666), (1606, 13409), (1679, 12826), (2438, 8833), (2783, 7738), (3358, 6413), (3869, 5566)]