21722700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 68606720

約数和(自身を除く): 46884020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 37, 38, 50, 57, 60, 74, 75, 76, 95, 100, 103, 111, 114, 148, 150, 185, 190, 206, 222, 228, 285, 300, 309, 370, 380, 412, 444, 475, 515, 555, 570, 618, 703, 740, 925, 950, 1030, 1110, 1140, 1236, 1406, 1425, 1545, 1850, 1900, 1957, 2060, 2109, 2220, 2575, 2775, 2812, 2850, 3090, 3515, 3700, 3811, 3914, 4218, 5150, 5550, 5700, 5871, 6180, 7030, 7622, 7725, 7828, 8436, 9785, 10300, 10545, 11100, 11433, 11742, 14060, 15244, 15450, 17575, 19055, 19570, 21090, 22866, 23484, 29355, 30900, 35150, 38110, 39140, 42180, 45732, 48925, 52725, 57165, 58710, 70300, 72409, 76220, 95275, 97850, 105450, 114330, 117420, 144818, 146775, 190550, 195700, 210900, 217227, 228660, 285825, 289636, 293550, 362045, 381100, 434454, 571650, 587100, 724090, 868908, 1086135, 1143300, 1448180, 1810225, 2172270, 3620450, 4344540, 5430675, 7240900, 10861350, 21722700]

約数ペア:

[(1, 21722700), (2, 10861350), (3, 7240900), (4, 5430675), (5, 4344540), (6, 3620450), (10, 2172270), (12, 1810225), (15, 1448180), (19, 1143300), (20, 1086135), (25, 868908), (30, 724090), (37, 587100), (38, 571650), (50, 434454), (57, 381100), (60, 362045), (74, 293550), (75, 289636), (76, 285825), (95, 228660), (100, 217227), (103, 210900), (111, 195700), (114, 190550), (148, 146775), (150, 144818), (185, 117420), (190, 114330), (206, 105450), (222, 97850), (228, 95275), (285, 76220), (300, 72409), (309, 70300), (370, 58710), (380, 57165), (412, 52725), (444, 48925), (475, 45732), (515, 42180), (555, 39140), (570, 38110), (618, 35150), (703, 30900), (740, 29355), (925, 23484), (950, 22866), (1030, 21090), (1110, 19570), (1140, 19055), (1236, 17575), (1406, 15450), (1425, 15244), (1545, 14060), (1850, 11742), (1900, 11433), (1957, 11100), (2060, 10545), (2109, 10300), (2220, 9785), (2575, 8436), (2775, 7828), (2812, 7725), (2850, 7622), (3090, 7030), (3515, 6180), (3700, 5871), (3811, 5700), (3914, 5550), (4218, 5150)]