21214260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6203}}^1$

素因数の和:6237

約数の個数: 72

約数和(自身を含む): 67747680

約数和(自身を除く): 46533420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6203, 12406, 18609, 24812, 31015, 37218, 55827, 62030, 74436, 93045, 111654, 117857, 124060, 186090, 223308, 235714, 279135, 353571, 372180, 471428, 558270, 589285, 707142, 1060713, 1116540, 1178570, 1414284, 1767855, 2121426, 2357140, 3535710, 4242852, 5303565, 7071420, 10607130, 21214260]

約数ペア:

[(1, 21214260), (2, 10607130), (3, 7071420), (4, 5303565), (5, 4242852), (6, 3535710), (9, 2357140), (10, 2121426), (12, 1767855), (15, 1414284), (18, 1178570), (19, 1116540), (20, 1060713), (30, 707142), (36, 589285), (38, 558270), (45, 471428), (57, 372180), (60, 353571), (76, 279135), (90, 235714), (95, 223308), (114, 186090), (171, 124060), (180, 117857), (190, 111654), (228, 93045), (285, 74436), (342, 62030), (380, 55827), (570, 37218), (684, 31015), (855, 24812), (1140, 18609), (1710, 12406), (3420, 6203)]