21354732

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 64727040

約数和(自身を除く): 43372308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 84, 94, 108, 126, 141, 188, 189, 252, 282, 329, 378, 423, 564, 601, 658, 756, 846, 987, 1202, 1269, 1316, 1692, 1803, 1974, 2404, 2538, 2961, 3606, 3948, 4207, 5076, 5409, 5922, 7212, 8414, 8883, 10818, 11844, 12621, 16227, 16828, 17766, 21636, 25242, 28247, 32454, 35532, 37863, 50484, 56494, 64908, 75726, 84741, 112988, 113589, 151452, 169482, 197729, 227178, 254223, 338964, 395458, 454356, 508446, 593187, 762669, 790916, 1016892, 1186374, 1525338, 1779561, 2372748, 3050676, 3559122, 5338683, 7118244, 10677366, 21354732]

約数ペア:

[(1, 21354732), (2, 10677366), (3, 7118244), (4, 5338683), (6, 3559122), (7, 3050676), (9, 2372748), (12, 1779561), (14, 1525338), (18, 1186374), (21, 1016892), (27, 790916), (28, 762669), (36, 593187), (42, 508446), (47, 454356), (54, 395458), (63, 338964), (84, 254223), (94, 227178), (108, 197729), (126, 169482), (141, 151452), (188, 113589), (189, 112988), (252, 84741), (282, 75726), (329, 64908), (378, 56494), (423, 50484), (564, 37863), (601, 35532), (658, 32454), (756, 28247), (846, 25242), (987, 21636), (1202, 17766), (1269, 16828), (1316, 16227), (1692, 12621), (1803, 11844), (1974, 10818), (2404, 8883), (2538, 8414), (2961, 7212), (3606, 5922), (3948, 5409), (4207, 5076)]