21149676

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9631}}^1$

素因数の和:9702

約数の個数: 36

約数和(自身を含む): 54343744

約数和(自身を除く): 33194068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9631, 19262, 28893, 38524, 57786, 86679, 115572, 173358, 346716, 587491, 1174982, 1762473, 2349964, 3524946, 5287419, 7049892, 10574838, 21149676]

約数ペア:

[(1, 21149676), (2, 10574838), (3, 7049892), (4, 5287419), (6, 3524946), (9, 2349964), (12, 1762473), (18, 1174982), (36, 587491), (61, 346716), (122, 173358), (183, 115572), (244, 86679), (366, 57786), (549, 38524), (732, 28893), (1098, 19262), (2196, 9631)]