21540330

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 160

約数和(自身を含む): 68999040

約数和(自身を除く): 47458710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 35, 42, 45, 54, 58, 63, 70, 81, 87, 90, 105, 126, 131, 135, 145, 162, 174, 189, 203, 210, 261, 262, 270, 290, 315, 378, 393, 405, 406, 435, 522, 567, 609, 630, 655, 783, 786, 810, 870, 917, 945, 1015, 1134, 1179, 1218, 1305, 1310, 1566, 1827, 1834, 1890, 1965, 2030, 2349, 2358, 2610, 2751, 2835, 3045, 3537, 3654, 3799, 3915, 3930, 4585, 4698, 5481, 5502, 5670, 5895, 6090, 7074, 7598, 7830, 8253, 9135, 9170, 10611, 10962, 11397, 11745, 11790, 13755, 16443, 16506, 17685, 18270, 18995, 21222, 22794, 23490, 24759, 26593, 27405, 27510, 32886, 34191, 35370, 37990, 41265, 49518, 53055, 53186, 54810, 56985, 68382, 74277, 79779, 82215, 82530, 102573, 106110, 113970, 123795, 132965, 148554, 159558, 164430, 170955, 205146, 239337, 247590, 265930, 307719, 341910, 371385, 398895, 478674, 512865, 615438, 718011, 742770, 797790, 1025730, 1196685, 1436022, 1538595, 2154033, 2393370, 3077190, 3590055, 4308066, 7180110, 10770165, 21540330]

約数ペア:

[(1, 21540330), (2, 10770165), (3, 7180110), (5, 4308066), (6, 3590055), (7, 3077190), (9, 2393370), (10, 2154033), (14, 1538595), (15, 1436022), (18, 1196685), (21, 1025730), (27, 797790), (29, 742770), (30, 718011), (35, 615438), (42, 512865), (45, 478674), (54, 398895), (58, 371385), (63, 341910), (70, 307719), (81, 265930), (87, 247590), (90, 239337), (105, 205146), (126, 170955), (131, 164430), (135, 159558), (145, 148554), (162, 132965), (174, 123795), (189, 113970), (203, 106110), (210, 102573), (261, 82530), (262, 82215), (270, 79779), (290, 74277), (315, 68382), (378, 56985), (393, 54810), (405, 53186), (406, 53055), (435, 49518), (522, 41265), (567, 37990), (609, 35370), (630, 34191), (655, 32886), (783, 27510), (786, 27405), (810, 26593), (870, 24759), (917, 23490), (945, 22794), (1015, 21222), (1134, 18995), (1179, 18270), (1218, 17685), (1305, 16506), (1310, 16443), (1566, 13755), (1827, 11790), (1834, 11745), (1890, 11397), (1965, 10962), (2030, 10611), (2349, 9170), (2358, 9135), (2610, 8253), (2751, 7830), (2835, 7598), (3045, 7074), (3537, 6090), (3654, 5895), (3799, 5670), (3915, 5502), (3930, 5481), (4585, 4698)]