21476179970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:780

約数の個数: 128

約数和(自身を含む): 46415255040

約数和(自身を除く): 24939075070

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 113, 145, 203, 226, 251, 290, 373, 406, 502, 565, 746, 791, 1015, 1130, 1255, 1582, 1757, 1865, 2030, 2510, 2611, 3277, 3514, 3730, 3955, 5222, 6554, 7279, 7910, 8785, 10817, 13055, 14558, 16385, 17570, 21634, 22939, 26110, 28363, 32770, 36395, 42149, 45878, 50953, 54085, 56726, 72790, 75719, 84298, 93623, 101906, 108170, 114695, 141815, 151438, 187246, 198541, 210745, 229390, 254765, 283630, 295043, 378595, 397082, 421490, 468115, 509530, 590086, 655361, 757190, 822527, 936230, 992705, 1222321, 1310722, 1475215, 1645054, 1985410, 2444642, 2715067, 2950430, 3276805, 4112635, 5430134, 5757689, 6111605, 6553610, 8225270, 8556247, 10579399, 11515378, 12223210, 13575335, 17112494, 19005469, 21158798, 27150670, 28788445, 38010938, 42781235, 52896995, 57576890, 74055793, 85562470, 95027345, 105793990, 148111586, 190054690, 306802571, 370278965, 613605142, 740557930, 1534012855, 2147617997, 3068025710, 4295235994, 10738089985, 21476179970]

約数ペア:

[(1, 21476179970), (2, 10738089985), (5, 4295235994), (7, 3068025710), (10, 2147617997), (14, 1534012855), (29, 740557930), (35, 613605142), (58, 370278965), (70, 306802571), (113, 190054690), (145, 148111586), (203, 105793990), (226, 95027345), (251, 85562470), (290, 74055793), (373, 57576890), (406, 52896995), (502, 42781235), (565, 38010938), (746, 28788445), (791, 27150670), (1015, 21158798), (1130, 19005469), (1255, 17112494), (1582, 13575335), (1757, 12223210), (1865, 11515378), (2030, 10579399), (2510, 8556247), (2611, 8225270), (3277, 6553610), (3514, 6111605), (3730, 5757689), (3955, 5430134), (5222, 4112635), (6554, 3276805), (7279, 2950430), (7910, 2715067), (8785, 2444642), (10817, 1985410), (13055, 1645054), (14558, 1475215), (16385, 1310722), (17570, 1222321), (21634, 992705), (22939, 936230), (26110, 822527), (28363, 757190), (32770, 655361), (36395, 590086), (42149, 509530), (45878, 468115), (50953, 421490), (54085, 397082), (56726, 378595), (72790, 295043), (75719, 283630), (84298, 254765), (93623, 229390), (101906, 210745), (108170, 198541), (114695, 187246), (141815, 151438)]