21085704

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 62668800

約数和(自身を除く): 41583096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 47, 54, 62, 67, 72, 93, 94, 108, 124, 134, 141, 186, 188, 201, 216, 248, 268, 279, 282, 372, 376, 402, 423, 536, 558, 564, 603, 744, 804, 837, 846, 1116, 1128, 1206, 1269, 1457, 1608, 1674, 1692, 1809, 2077, 2232, 2412, 2538, 2914, 3149, 3348, 3384, 3618, 4154, 4371, 4824, 5076, 5828, 6231, 6298, 6696, 7236, 8308, 8742, 9447, 10152, 11656, 12462, 12596, 13113, 14472, 16616, 17484, 18693, 18894, 24924, 25192, 26226, 28341, 34968, 37386, 37788, 39339, 49848, 52452, 56079, 56682, 74772, 75576, 78678, 85023, 97619, 104904, 112158, 113364, 149544, 157356, 170046, 195238, 224316, 226728, 292857, 314712, 340092, 390476, 448632, 585714, 680184, 780952, 878571, 1171428, 1757142, 2342856, 2635713, 3514284, 5271426, 7028568, 10542852, 21085704]

約数ペア:

[(1, 21085704), (2, 10542852), (3, 7028568), (4, 5271426), (6, 3514284), (8, 2635713), (9, 2342856), (12, 1757142), (18, 1171428), (24, 878571), (27, 780952), (31, 680184), (36, 585714), (47, 448632), (54, 390476), (62, 340092), (67, 314712), (72, 292857), (93, 226728), (94, 224316), (108, 195238), (124, 170046), (134, 157356), (141, 149544), (186, 113364), (188, 112158), (201, 104904), (216, 97619), (248, 85023), (268, 78678), (279, 75576), (282, 74772), (372, 56682), (376, 56079), (402, 52452), (423, 49848), (536, 39339), (558, 37788), (564, 37386), (603, 34968), (744, 28341), (804, 26226), (837, 25192), (846, 24924), (1116, 18894), (1128, 18693), (1206, 17484), (1269, 16616), (1457, 14472), (1608, 13113), (1674, 12596), (1692, 12462), (1809, 11656), (2077, 10152), (2232, 9447), (2412, 8742), (2538, 8308), (2914, 7236), (3149, 6696), (3348, 6298), (3384, 6231), (3618, 5828), (4154, 5076), (4371, 4824)]