21936285

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 23222115

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 139, 167, 189, 315, 417, 501, 695, 835, 945, 973, 1169, 1251, 1503, 2085, 2505, 2919, 3507, 3753, 4509, 4865, 5845, 6255, 7515, 8757, 10521, 14595, 17535, 18765, 22545, 23213, 26271, 31563, 43785, 52605, 69639, 116065, 131355, 157815, 162491, 208917, 348195, 487473, 626751, 812455, 1044585, 1462419, 2437365, 3133755, 4387257, 7312095, 21936285]

約数ペア:

[(1, 21936285), (3, 7312095), (5, 4387257), (7, 3133755), (9, 2437365), (15, 1462419), (21, 1044585), (27, 812455), (35, 626751), (45, 487473), (63, 348195), (105, 208917), (135, 162491), (139, 157815), (167, 131355), (189, 116065), (315, 69639), (417, 52605), (501, 43785), (695, 31563), (835, 26271), (945, 23213), (973, 22545), (1169, 18765), (1251, 17535), (1503, 14595), (2085, 10521), (2505, 8757), (2919, 7515), (3507, 6255), (3753, 5845), (4509, 4865)]