21864927

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 14906913

約数列:

[1, 3, 7, 21, 23, 29, 49, 69, 87, 147, 161, 203, 223, 483, 609, 667, 669, 1127, 1421, 1561, 2001, 3381, 4263, 4669, 4683, 5129, 6467, 10927, 14007, 15387, 19401, 32683, 32781, 35903, 45269, 98049, 107709, 135807, 148741, 251321, 316883, 446223, 753963, 950649, 1041187, 3123561, 7288309, 21864927]

約数ペア:

[(1, 21864927), (3, 7288309), (7, 3123561), (21, 1041187), (23, 950649), (29, 753963), (49, 446223), (69, 316883), (87, 251321), (147, 148741), (161, 135807), (203, 107709), (223, 98049), (483, 45269), (609, 35903), (667, 32781), (669, 32683), (1127, 19401), (1421, 15387), (1561, 14007), (2001, 10927), (3381, 6467), (4263, 5129), (4669, 4683)]