21642360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^2$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 69420240

約数和(自身を除く): 47777880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 103, 120, 136, 170, 204, 206, 255, 309, 340, 408, 412, 510, 515, 618, 680, 824, 1020, 1030, 1236, 1545, 1751, 2040, 2060, 2472, 3090, 3502, 4120, 5253, 6180, 7004, 8755, 10506, 10609, 12360, 14008, 17510, 21012, 21218, 26265, 31827, 35020, 42024, 42436, 52530, 53045, 63654, 70040, 84872, 105060, 106090, 127308, 159135, 180353, 210120, 212180, 254616, 318270, 360706, 424360, 541059, 636540, 721412, 901765, 1082118, 1273080, 1442824, 1803530, 2164236, 2705295, 3607060, 4328472, 5410590, 7214120, 10821180, 21642360]

約数ペア:

[(1, 21642360), (2, 10821180), (3, 7214120), (4, 5410590), (5, 4328472), (6, 3607060), (8, 2705295), (10, 2164236), (12, 1803530), (15, 1442824), (17, 1273080), (20, 1082118), (24, 901765), (30, 721412), (34, 636540), (40, 541059), (51, 424360), (60, 360706), (68, 318270), (85, 254616), (102, 212180), (103, 210120), (120, 180353), (136, 159135), (170, 127308), (204, 106090), (206, 105060), (255, 84872), (309, 70040), (340, 63654), (408, 53045), (412, 52530), (510, 42436), (515, 42024), (618, 35020), (680, 31827), (824, 26265), (1020, 21218), (1030, 21012), (1236, 17510), (1545, 14008), (1751, 12360), (2040, 10609), (2060, 10506), (2472, 8755), (3090, 7004), (3502, 6180), (4120, 5253)]