20211300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1358

約数の個数: 108

約数和(自身を含む): 67128516

約数和(自身を除く): 46917216

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 150, 153, 170, 180, 204, 225, 255, 300, 306, 340, 425, 450, 510, 612, 765, 850, 900, 1020, 1275, 1321, 1530, 1700, 2550, 2642, 3060, 3825, 3963, 5100, 5284, 6605, 7650, 7926, 11889, 13210, 15300, 15852, 19815, 22457, 23778, 26420, 33025, 39630, 44914, 47556, 59445, 66050, 67371, 79260, 89828, 99075, 112285, 118890, 132100, 134742, 198150, 202113, 224570, 237780, 269484, 297225, 336855, 396300, 404226, 449140, 561425, 594450, 673710, 808452, 1010565, 1122850, 1188900, 1347420, 1684275, 2021130, 2245700, 3368550, 4042260, 5052825, 6737100, 10105650, 20211300]

約数ペア:

[(1, 20211300), (2, 10105650), (3, 6737100), (4, 5052825), (5, 4042260), (6, 3368550), (9, 2245700), (10, 2021130), (12, 1684275), (15, 1347420), (17, 1188900), (18, 1122850), (20, 1010565), (25, 808452), (30, 673710), (34, 594450), (36, 561425), (45, 449140), (50, 404226), (51, 396300), (60, 336855), (68, 297225), (75, 269484), (85, 237780), (90, 224570), (100, 202113), (102, 198150), (150, 134742), (153, 132100), (170, 118890), (180, 112285), (204, 99075), (225, 89828), (255, 79260), (300, 67371), (306, 66050), (340, 59445), (425, 47556), (450, 44914), (510, 39630), (612, 33025), (765, 26420), (850, 23778), (900, 22457), (1020, 19815), (1275, 15852), (1321, 15300), (1530, 13210), (1700, 11889), (2550, 7926), (2642, 7650), (3060, 6605), (3825, 5284), (3963, 5100)]