21424338

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3391}}^1$

素因数の和:3421

約数の個数: 48

約数和(自身を含む): 51856896

約数和(自身を除く): 30432558

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3391, 6318, 6782, 10173, 20346, 30519, 44083, 61038, 88166, 91557, 132249, 183114, 264498, 274671, 396747, 549342, 793494, 824013, 1190241, 1648026, 2380482, 3570723, 7141446, 10712169, 21424338]

約数ペア:

[(1, 21424338), (2, 10712169), (3, 7141446), (6, 3570723), (9, 2380482), (13, 1648026), (18, 1190241), (26, 824013), (27, 793494), (39, 549342), (54, 396747), (78, 274671), (81, 264498), (117, 183114), (162, 132249), (234, 91557), (243, 88166), (351, 61038), (486, 44083), (702, 30519), (1053, 20346), (2106, 10173), (3159, 6782), (3391, 6318)]