21429729280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90989}}^1$

素因数の和:91039

約数の個数: 96

約数和(自身を含む): 53654983200

約数和(自身を除く): 32225253920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1024, 1280, 1472, 1840, 2048, 2560, 2944, 3680, 5120, 5888, 7360, 10240, 11776, 14720, 23552, 29440, 47104, 58880, 90989, 117760, 181978, 235520, 363956, 454945, 727912, 909890, 1455824, 1819780, 2092747, 2911648, 3639560, 4185494, 5823296, 7279120, 8370988, 10463735, 11646592, 14558240, 16741976, 20927470, 23293184, 29116480, 33483952, 41854940, 46586368, 58232960, 66967904, 83709880, 93172736, 116465920, 133935808, 167419760, 186345472, 232931840, 267871616, 334839520, 465863680, 535743232, 669679040, 931727360, 1071486464, 1339358080, 2142972928, 2678716160, 4285945856, 5357432320, 10714864640, 21429729280]

約数ペア:

[(1, 21429729280), (2, 10714864640), (4, 5357432320), (5, 4285945856), (8, 2678716160), (10, 2142972928), (16, 1339358080), (20, 1071486464), (23, 931727360), (32, 669679040), (40, 535743232), (46, 465863680), (64, 334839520), (80, 267871616), (92, 232931840), (115, 186345472), (128, 167419760), (160, 133935808), (184, 116465920), (230, 93172736), (256, 83709880), (320, 66967904), (368, 58232960), (460, 46586368), (512, 41854940), (640, 33483952), (736, 29116480), (920, 23293184), (1024, 20927470), (1280, 16741976), (1472, 14558240), (1840, 11646592), (2048, 10463735), (2560, 8370988), (2944, 7279120), (3680, 5823296), (5120, 4185494), (5888, 3639560), (7360, 2911648), (10240, 2092747), (11776, 1819780), (14720, 1455824), (23552, 909890), (29440, 727912), (47104, 454945), (58880, 363956), (90989, 235520), (117760, 181978)]