21271470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 56519424

約数和(自身を除く): 35247954

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 803, 883, 1095, 1606, 1766, 2190, 2409, 2649, 4015, 4415, 4818, 5298, 8030, 8830, 9713, 12045, 13245, 19426, 24090, 26490, 29139, 48565, 58278, 64459, 97130, 128918, 145695, 193377, 291390, 322295, 386754, 644590, 709049, 966885, 1418098, 1933770, 2127147, 3545245, 4254294, 7090490, 10635735, 21271470]

約数ペア:

[(1, 21271470), (2, 10635735), (3, 7090490), (5, 4254294), (6, 3545245), (10, 2127147), (11, 1933770), (15, 1418098), (22, 966885), (30, 709049), (33, 644590), (55, 386754), (66, 322295), (73, 291390), (110, 193377), (146, 145695), (165, 128918), (219, 97130), (330, 64459), (365, 58278), (438, 48565), (730, 29139), (803, 26490), (883, 24090), (1095, 19426), (1606, 13245), (1766, 12045), (2190, 9713), (2409, 8830), (2649, 8030), (4015, 5298), (4415, 4818)]