21068100

素因数分解:

$2^2\times 3^6\times 5^2\times {\mathrm{17}}^2$

素因数の和:66

約数の個数: 189

約数和(自身を含む): 72814567

約数和(自身を除く): 51746467

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 54, 60, 68, 75, 81, 85, 90, 100, 102, 108, 135, 150, 153, 162, 170, 180, 204, 225, 243, 255, 270, 289, 300, 306, 324, 340, 405, 425, 450, 459, 486, 510, 540, 578, 612, 675, 729, 765, 810, 850, 867, 900, 918, 972, 1020, 1156, 1215, 1275, 1350, 1377, 1445, 1458, 1530, 1620, 1700, 1734, 1836, 2025, 2295, 2430, 2550, 2601, 2700, 2754, 2890, 2916, 3060, 3468, 3645, 3825, 4050, 4131, 4335, 4590, 4860, 5100, 5202, 5508, 5780, 6075, 6885, 7225, 7290, 7650, 7803, 8100, 8262, 8670, 9180, 10404, 11475, 12150, 12393, 13005, 13770, 14450, 14580, 15300, 15606, 16524, 17340, 18225, 20655, 21675, 22950, 23409, 24300, 24786, 26010, 27540, 28900, 31212, 34425, 36450, 39015, 41310, 43350, 45900, 46818, 49572, 52020, 61965, 65025, 68850, 70227, 72900, 78030, 82620, 86700, 93636, 103275, 117045, 123930, 130050, 137700, 140454, 156060, 195075, 206550, 210681, 234090, 247860, 260100, 280908, 309825, 351135, 390150, 413100, 421362, 468180, 585225, 619650, 702270, 780300, 842724, 1053405, 1170450, 1239300, 1404540, 1755675, 2106810, 2340900, 3511350, 4213620, 5267025, 7022700, 10534050, 21068100]

約数ペア:

[(1, 21068100), (2, 10534050), (3, 7022700), (4, 5267025), (5, 4213620), (6, 3511350), (9, 2340900), (10, 2106810), (12, 1755675), (15, 1404540), (17, 1239300), (18, 1170450), (20, 1053405), (25, 842724), (27, 780300), (30, 702270), (34, 619650), (36, 585225), (45, 468180), (50, 421362), (51, 413100), (54, 390150), (60, 351135), (68, 309825), (75, 280908), (81, 260100), (85, 247860), (90, 234090), (100, 210681), (102, 206550), (108, 195075), (135, 156060), (150, 140454), (153, 137700), (162, 130050), (170, 123930), (180, 117045), (204, 103275), (225, 93636), (243, 86700), (255, 82620), (270, 78030), (289, 72900), (300, 70227), (306, 68850), (324, 65025), (340, 61965), (405, 52020), (425, 49572), (450, 46818), (459, 45900), (486, 43350), (510, 41310), (540, 39015), (578, 36450), (612, 34425), (675, 31212), (729, 28900), (765, 27540), (810, 26010), (850, 24786), (867, 24300), (900, 23409), (918, 22950), (972, 21675), (1020, 20655), (1156, 18225), (1215, 17340), (1275, 16524), (1350, 15606), (1377, 15300), (1445, 14580), (1458, 14450), (1530, 13770), (1620, 13005), (1700, 12393), (1734, 12150), (1836, 11475), (2025, 10404), (2295, 9180), (2430, 8670), (2550, 8262), (2601, 8100), (2700, 7803), (2754, 7650), (2890, 7290), (2916, 7225), (3060, 6885), (3468, 6075), (3645, 5780), (3825, 5508), (4050, 5202), (4131, 5100), (4335, 4860)]