17212020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 55738368

約数和(自身を除く): 38526348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 383, 420, 428, 535, 642, 749, 766, 1070, 1149, 1284, 1498, 1532, 1605, 1915, 2140, 2247, 2298, 2681, 2996, 3210, 3745, 3830, 4494, 4596, 5362, 5745, 6420, 7490, 7660, 8043, 8988, 10724, 11235, 11490, 13405, 14980, 16086, 22470, 22980, 26810, 32172, 40215, 40981, 44940, 53620, 80430, 81962, 122943, 160860, 163924, 204905, 245886, 286867, 409810, 491772, 573734, 614715, 819620, 860601, 1147468, 1229430, 1434335, 1721202, 2458860, 2868670, 3442404, 4303005, 5737340, 8606010, 17212020]

約数ペア:

[(1, 17212020), (2, 8606010), (3, 5737340), (4, 4303005), (5, 3442404), (6, 2868670), (7, 2458860), (10, 1721202), (12, 1434335), (14, 1229430), (15, 1147468), (20, 860601), (21, 819620), (28, 614715), (30, 573734), (35, 491772), (42, 409810), (60, 286867), (70, 245886), (84, 204905), (105, 163924), (107, 160860), (140, 122943), (210, 81962), (214, 80430), (321, 53620), (383, 44940), (420, 40981), (428, 40215), (535, 32172), (642, 26810), (749, 22980), (766, 22470), (1070, 16086), (1149, 14980), (1284, 13405), (1498, 11490), (1532, 11235), (1605, 10724), (1915, 8988), (2140, 8043), (2247, 7660), (2298, 7490), (2681, 6420), (2996, 5745), (3210, 5362), (3745, 4596), (3830, 4494)]