21565170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 64385280

約数和(自身を除く): 42820110

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 53, 54, 55, 66, 90, 99, 106, 110, 135, 137, 159, 165, 198, 265, 270, 274, 297, 318, 330, 411, 477, 495, 530, 583, 594, 685, 795, 822, 954, 990, 1166, 1233, 1370, 1431, 1485, 1507, 1590, 1749, 2055, 2385, 2466, 2862, 2915, 2970, 3014, 3498, 3699, 4110, 4521, 4770, 5247, 5830, 6165, 7155, 7261, 7398, 7535, 8745, 9042, 10494, 12330, 13563, 14310, 14522, 15070, 15741, 17490, 18495, 21783, 22605, 26235, 27126, 31482, 36305, 36990, 40689, 43566, 45210, 52470, 65349, 67815, 72610, 78705, 79871, 81378, 108915, 130698, 135630, 157410, 159742, 196047, 203445, 217830, 239613, 326745, 392094, 399355, 406890, 479226, 653490, 718839, 798710, 980235, 1198065, 1437678, 1960470, 2156517, 2396130, 3594195, 4313034, 7188390, 10782585, 21565170]

約数ペア:

[(1, 21565170), (2, 10782585), (3, 7188390), (5, 4313034), (6, 3594195), (9, 2396130), (10, 2156517), (11, 1960470), (15, 1437678), (18, 1198065), (22, 980235), (27, 798710), (30, 718839), (33, 653490), (45, 479226), (53, 406890), (54, 399355), (55, 392094), (66, 326745), (90, 239613), (99, 217830), (106, 203445), (110, 196047), (135, 159742), (137, 157410), (159, 135630), (165, 130698), (198, 108915), (265, 81378), (270, 79871), (274, 78705), (297, 72610), (318, 67815), (330, 65349), (411, 52470), (477, 45210), (495, 43566), (530, 40689), (583, 36990), (594, 36305), (685, 31482), (795, 27126), (822, 26235), (954, 22605), (990, 21783), (1166, 18495), (1233, 17490), (1370, 15741), (1431, 15070), (1485, 14522), (1507, 14310), (1590, 13563), (1749, 12330), (2055, 10494), (2385, 9042), (2466, 8745), (2862, 7535), (2915, 7398), (2970, 7261), (3014, 7155), (3498, 6165), (3699, 5830), (4110, 5247), (4521, 4770)]