21000948030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1\times {\mathrm{2063}}^1$

素因数の和:3135

約数の個数: 128

約数和(自身を含む): 57600460800

約数和(自身を除く): 36599512770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1019, 1110, 1665, 1998, 2038, 2063, 3057, 3330, 4126, 4995, 5095, 6114, 6189, 9171, 9990, 10190, 10315, 12378, 15285, 18342, 18567, 20630, 27513, 30570, 30945, 37134, 37703, 45855, 55026, 55701, 61890, 75406, 76331, 91710, 92835, 111402, 113109, 137565, 152662, 185670, 188515, 226218, 228993, 275130, 278505, 339327, 377030, 381655, 457986, 557010, 565545, 678654, 686979, 763310, 1017981, 1131090, 1144965, 1373958, 1696635, 2035962, 2060937, 2102197, 2289930, 3393270, 3434895, 4121874, 4204394, 5089905, 6306591, 6869790, 10179810, 10304685, 10510985, 12613182, 18919773, 20609370, 21021970, 31532955, 37839546, 56759319, 63065910, 77781289, 94598865, 113518638, 155562578, 189197730, 233343867, 283796595, 388906445, 466687734, 567593190, 700031601, 777812890, 1166719335, 1400063202, 2100094803, 2333438670, 3500158005, 4200189606, 7000316010, 10500474015, 21000948030]

約数ペア:

[(1, 21000948030), (2, 10500474015), (3, 7000316010), (5, 4200189606), (6, 3500158005), (9, 2333438670), (10, 2100094803), (15, 1400063202), (18, 1166719335), (27, 777812890), (30, 700031601), (37, 567593190), (45, 466687734), (54, 388906445), (74, 283796595), (90, 233343867), (111, 189197730), (135, 155562578), (185, 113518638), (222, 94598865), (270, 77781289), (333, 63065910), (370, 56759319), (555, 37839546), (666, 31532955), (999, 21021970), (1019, 20609370), (1110, 18919773), (1665, 12613182), (1998, 10510985), (2038, 10304685), (2063, 10179810), (3057, 6869790), (3330, 6306591), (4126, 5089905), (4995, 4204394), (5095, 4121874), (6114, 3434895), (6189, 3393270), (9171, 2289930), (9990, 2102197), (10190, 2060937), (10315, 2035962), (12378, 1696635), (15285, 1373958), (18342, 1144965), (18567, 1131090), (20630, 1017981), (27513, 763310), (30570, 686979), (30945, 678654), (37134, 565545), (37703, 557010), (45855, 457986), (55026, 381655), (55701, 377030), (61890, 339327), (75406, 278505), (76331, 275130), (91710, 228993), (92835, 226218), (111402, 188515), (113109, 185670), (137565, 152662)]