21107730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 59984064

約数和(自身を除く): 38876334

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 83, 98, 105, 147, 166, 173, 210, 245, 249, 294, 346, 415, 490, 498, 519, 581, 735, 830, 865, 1038, 1162, 1211, 1245, 1470, 1730, 1743, 2422, 2490, 2595, 2905, 3486, 3633, 4067, 5190, 5810, 6055, 7266, 8134, 8477, 8715, 12110, 12201, 14359, 16954, 17430, 18165, 20335, 24402, 25431, 28718, 36330, 40670, 42385, 43077, 50862, 61005, 71795, 84770, 86154, 100513, 122010, 127155, 143590, 201026, 215385, 254310, 301539, 430770, 502565, 603078, 703591, 1005130, 1407182, 1507695, 2110773, 3015390, 3517955, 4221546, 7035910, 10553865, 21107730]

約数ペア:

[(1, 21107730), (2, 10553865), (3, 7035910), (5, 4221546), (6, 3517955), (7, 3015390), (10, 2110773), (14, 1507695), (15, 1407182), (21, 1005130), (30, 703591), (35, 603078), (42, 502565), (49, 430770), (70, 301539), (83, 254310), (98, 215385), (105, 201026), (147, 143590), (166, 127155), (173, 122010), (210, 100513), (245, 86154), (249, 84770), (294, 71795), (346, 61005), (415, 50862), (490, 43077), (498, 42385), (519, 40670), (581, 36330), (735, 28718), (830, 25431), (865, 24402), (1038, 20335), (1162, 18165), (1211, 17430), (1245, 16954), (1470, 14359), (1730, 12201), (1743, 12110), (2422, 8715), (2490, 8477), (2595, 8134), (2905, 7266), (3486, 6055), (3633, 5810), (4067, 5190)]