21002354172

素因数分解:

$2^2\times 3^2\times {\mathrm{461}}^1\times {\mathrm{991}}^1\times {\mathrm{1277}}^1$

素因数の和:2739

約数の個数: 72

約数和(自身を含む): 53299838592

約数和(自身を除く): 32297484420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 461, 922, 991, 1277, 1383, 1844, 1982, 2554, 2766, 2973, 3831, 3964, 4149, 5108, 5532, 5946, 7662, 8298, 8919, 11493, 11892, 15324, 16596, 17838, 22986, 35676, 45972, 456851, 588697, 913702, 1177394, 1265507, 1370553, 1766091, 1827404, 2354788, 2531014, 2741106, 3532182, 3796521, 4111659, 5062028, 5298273, 5482212, 7064364, 7593042, 8223318, 10596546, 11389563, 15186084, 16446636, 21193092, 22779126, 45558252, 583398727, 1166797454, 1750196181, 2333594908, 3500392362, 5250588543, 7000784724, 10501177086, 21002354172]

約数ペア:

[(1, 21002354172), (2, 10501177086), (3, 7000784724), (4, 5250588543), (6, 3500392362), (9, 2333594908), (12, 1750196181), (18, 1166797454), (36, 583398727), (461, 45558252), (922, 22779126), (991, 21193092), (1277, 16446636), (1383, 15186084), (1844, 11389563), (1982, 10596546), (2554, 8223318), (2766, 7593042), (2973, 7064364), (3831, 5482212), (3964, 5298273), (4149, 5062028), (5108, 4111659), (5532, 3796521), (5946, 3532182), (7662, 2741106), (8298, 2531014), (8919, 2354788), (11493, 1827404), (11892, 1766091), (15324, 1370553), (16596, 1265507), (17838, 1177394), (22986, 913702), (35676, 588697), (45972, 456851)]