21309330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 63700992

約数和(自身を除く): 42391662

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 47, 51, 70, 85, 94, 102, 105, 119, 127, 141, 170, 210, 235, 238, 254, 255, 282, 329, 357, 381, 470, 510, 595, 635, 658, 705, 714, 762, 799, 889, 987, 1190, 1270, 1410, 1598, 1645, 1778, 1785, 1905, 1974, 2159, 2397, 2667, 3290, 3570, 3810, 3995, 4318, 4445, 4794, 4935, 5334, 5593, 5969, 6477, 7990, 8890, 9870, 10795, 11186, 11938, 11985, 12954, 13335, 15113, 16779, 17907, 21590, 23970, 26670, 27965, 29845, 30226, 32385, 33558, 35814, 41783, 45339, 55930, 59690, 64770, 75565, 83566, 83895, 89535, 90678, 101473, 125349, 151130, 167790, 179070, 202946, 208915, 226695, 250698, 304419, 417830, 453390, 507365, 608838, 626745, 710311, 1014730, 1253490, 1420622, 1522095, 2130933, 3044190, 3551555, 4261866, 7103110, 10654665, 21309330]

約数ペア:

[(1, 21309330), (2, 10654665), (3, 7103110), (5, 4261866), (6, 3551555), (7, 3044190), (10, 2130933), (14, 1522095), (15, 1420622), (17, 1253490), (21, 1014730), (30, 710311), (34, 626745), (35, 608838), (42, 507365), (47, 453390), (51, 417830), (70, 304419), (85, 250698), (94, 226695), (102, 208915), (105, 202946), (119, 179070), (127, 167790), (141, 151130), (170, 125349), (210, 101473), (235, 90678), (238, 89535), (254, 83895), (255, 83566), (282, 75565), (329, 64770), (357, 59690), (381, 55930), (470, 45339), (510, 41783), (595, 35814), (635, 33558), (658, 32385), (705, 30226), (714, 29845), (762, 27965), (799, 26670), (889, 23970), (987, 21590), (1190, 17907), (1270, 16779), (1410, 15113), (1598, 13335), (1645, 12954), (1778, 11985), (1785, 11938), (1905, 11186), (1974, 10795), (2159, 9870), (2397, 8890), (2667, 7990), (3290, 6477), (3570, 5969), (3810, 5593), (3995, 5334), (4318, 4935), (4445, 4794)]