21000279810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{195043}}^1$

素因数の和:195187

約数の個数: 64

約数和(自身を含む): 52296757632

約数和(自身を除く): 31296477822

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 97, 111, 185, 194, 222, 291, 370, 485, 555, 582, 970, 1110, 1455, 2910, 3589, 7178, 10767, 17945, 21534, 35890, 53835, 107670, 195043, 390086, 585129, 975215, 1170258, 1950430, 2925645, 5851290, 7216591, 14433182, 18919171, 21649773, 36082955, 37838342, 43299546, 56757513, 72165910, 94595855, 108248865, 113515026, 189191710, 216497730, 283787565, 567575130, 700009327, 1400018654, 2100027981, 3500046635, 4200055962, 7000093270, 10500139905, 21000279810]

約数ペア:

[(1, 21000279810), (2, 10500139905), (3, 7000093270), (5, 4200055962), (6, 3500046635), (10, 2100027981), (15, 1400018654), (30, 700009327), (37, 567575130), (74, 283787565), (97, 216497730), (111, 189191710), (185, 113515026), (194, 108248865), (222, 94595855), (291, 72165910), (370, 56757513), (485, 43299546), (555, 37838342), (582, 36082955), (970, 21649773), (1110, 18919171), (1455, 14433182), (2910, 7216591), (3589, 5851290), (7178, 2925645), (10767, 1950430), (17945, 1170258), (21534, 975215), (35890, 585129), (53835, 390086), (107670, 195043)]