21320310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 59367168

約数和(自身を除く): 38046858

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 53, 55, 66, 69, 106, 110, 115, 138, 159, 165, 230, 253, 265, 318, 330, 345, 506, 530, 583, 690, 759, 795, 1166, 1219, 1265, 1518, 1590, 1749, 2438, 2530, 2809, 2915, 3498, 3657, 3795, 5618, 5830, 6095, 7314, 7590, 8427, 8745, 12190, 13409, 14045, 16854, 17490, 18285, 26818, 28090, 30899, 36570, 40227, 42135, 61798, 64607, 67045, 80454, 84270, 92697, 129214, 134090, 154495, 185394, 193821, 201135, 308990, 323035, 387642, 402270, 463485, 646070, 710677, 926970, 969105, 1421354, 1938210, 2132031, 3553385, 4264062, 7106770, 10660155, 21320310]

約数ペア:

[(1, 21320310), (2, 10660155), (3, 7106770), (5, 4264062), (6, 3553385), (10, 2132031), (11, 1938210), (15, 1421354), (22, 969105), (23, 926970), (30, 710677), (33, 646070), (46, 463485), (53, 402270), (55, 387642), (66, 323035), (69, 308990), (106, 201135), (110, 193821), (115, 185394), (138, 154495), (159, 134090), (165, 129214), (230, 92697), (253, 84270), (265, 80454), (318, 67045), (330, 64607), (345, 61798), (506, 42135), (530, 40227), (583, 36570), (690, 30899), (759, 28090), (795, 26818), (1166, 18285), (1219, 17490), (1265, 16854), (1518, 14045), (1590, 13409), (1749, 12190), (2438, 8745), (2530, 8427), (2809, 7590), (2915, 7314), (3498, 6095), (3657, 5830), (3795, 5618)]