21328434

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 60

約数和(自身を含む): 49743342

約数和(自身を除く): 28414908

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 137, 162, 186, 274, 279, 411, 558, 822, 837, 961, 1233, 1674, 1922, 2466, 2511, 2883, 3699, 4247, 5022, 5766, 7398, 8494, 8649, 11097, 12741, 17298, 22194, 25482, 25947, 38223, 51894, 76446, 77841, 114669, 131657, 155682, 229338, 263314, 344007, 394971, 688014, 789942, 1184913, 2369826, 3554739, 7109478, 10664217, 21328434]

約数ペア:

[(1, 21328434), (2, 10664217), (3, 7109478), (6, 3554739), (9, 2369826), (18, 1184913), (27, 789942), (31, 688014), (54, 394971), (62, 344007), (81, 263314), (93, 229338), (137, 155682), (162, 131657), (186, 114669), (274, 77841), (279, 76446), (411, 51894), (558, 38223), (822, 25947), (837, 25482), (961, 22194), (1233, 17298), (1674, 12741), (1922, 11097), (2466, 8649), (2511, 8494), (2883, 7398), (3699, 5766), (4247, 5022)]