21651073320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{8209}}^1$

素因数の和:8963

約数の個数: 128

約数和(自身を含む): 67151232000

約数和(自身を除く): 45500158680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 709, 744, 930, 1240, 1418, 1860, 2127, 2836, 3545, 3720, 4254, 5672, 7090, 8209, 8508, 10635, 14180, 16418, 17016, 21270, 21979, 24627, 28360, 32836, 41045, 42540, 43958, 49254, 65672, 65937, 82090, 85080, 87916, 98508, 109895, 123135, 131874, 164180, 175832, 197016, 219790, 246270, 254479, 263748, 328360, 329685, 439580, 492540, 508958, 527496, 659370, 763437, 879160, 985080, 1017916, 1272395, 1318740, 1526874, 2035832, 2544790, 2637480, 3053748, 3817185, 5089580, 5820181, 6107496, 7634370, 10179160, 11640362, 15268740, 17460543, 23280724, 29100905, 30537480, 34921086, 46561448, 58201810, 69842172, 87302715, 116403620, 139684344, 174605430, 180425611, 232807240, 349210860, 360851222, 541276833, 698421720, 721702444, 902128055, 1082553666, 1443404888, 1804256110, 2165107332, 2706384165, 3608512220, 4330214664, 5412768330, 7217024440, 10825536660, 21651073320]

約数ペア:

[(1, 21651073320), (2, 10825536660), (3, 7217024440), (4, 5412768330), (5, 4330214664), (6, 3608512220), (8, 2706384165), (10, 2165107332), (12, 1804256110), (15, 1443404888), (20, 1082553666), (24, 902128055), (30, 721702444), (31, 698421720), (40, 541276833), (60, 360851222), (62, 349210860), (93, 232807240), (120, 180425611), (124, 174605430), (155, 139684344), (186, 116403620), (248, 87302715), (310, 69842172), (372, 58201810), (465, 46561448), (620, 34921086), (709, 30537480), (744, 29100905), (930, 23280724), (1240, 17460543), (1418, 15268740), (1860, 11640362), (2127, 10179160), (2836, 7634370), (3545, 6107496), (3720, 5820181), (4254, 5089580), (5672, 3817185), (7090, 3053748), (8209, 2637480), (8508, 2544790), (10635, 2035832), (14180, 1526874), (16418, 1318740), (17016, 1272395), (21270, 1017916), (21979, 985080), (24627, 879160), (28360, 763437), (32836, 659370), (41045, 527496), (42540, 508958), (43958, 492540), (49254, 439580), (65672, 329685), (65937, 328360), (82090, 263748), (85080, 254479), (87916, 246270), (98508, 219790), (109895, 197016), (123135, 175832), (131874, 164180)]