21014910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11119}}^1$

素因数の和:11142

約数の個数: 64

約数和(自身を含む): 64051200

約数和(自身を除く): 43036290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11119, 22238, 33357, 55595, 66714, 77833, 100071, 111190, 155666, 166785, 200142, 233499, 300213, 333570, 389165, 466998, 500355, 600426, 700497, 778330, 1000710, 1167495, 1400994, 1501065, 2101491, 2334990, 3002130, 3502485, 4202982, 7004970, 10507455, 21014910]

約数ペア:

[(1, 21014910), (2, 10507455), (3, 7004970), (5, 4202982), (6, 3502485), (7, 3002130), (9, 2334990), (10, 2101491), (14, 1501065), (15, 1400994), (18, 1167495), (21, 1000710), (27, 778330), (30, 700497), (35, 600426), (42, 500355), (45, 466998), (54, 389165), (63, 333570), (70, 300213), (90, 233499), (105, 200142), (126, 166785), (135, 155666), (189, 111190), (210, 100071), (270, 77833), (315, 66714), (378, 55595), (630, 33357), (945, 22238), (1890, 11119)]