21412320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1488

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 48260640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1439, 1488, 1860, 2480, 2878, 2976, 3720, 4317, 4960, 5756, 7195, 7440, 8634, 11512, 14390, 14880, 17268, 21585, 23024, 28780, 34536, 43170, 44609, 46048, 57560, 69072, 86340, 89218, 115120, 133827, 138144, 172680, 178436, 223045, 230240, 267654, 345360, 356872, 446090, 535308, 669135, 690720, 713744, 892180, 1070616, 1338270, 1427488, 1784360, 2141232, 2676540, 3568720, 4282464, 5353080, 7137440, 10706160, 21412320]

約数ペア:

[(1, 21412320), (2, 10706160), (3, 7137440), (4, 5353080), (5, 4282464), (6, 3568720), (8, 2676540), (10, 2141232), (12, 1784360), (15, 1427488), (16, 1338270), (20, 1070616), (24, 892180), (30, 713744), (31, 690720), (32, 669135), (40, 535308), (48, 446090), (60, 356872), (62, 345360), (80, 267654), (93, 230240), (96, 223045), (120, 178436), (124, 172680), (155, 138144), (160, 133827), (186, 115120), (240, 89218), (248, 86340), (310, 69072), (372, 57560), (465, 46048), (480, 44609), (496, 43170), (620, 34536), (744, 28780), (930, 23024), (992, 21585), (1240, 17268), (1439, 14880), (1488, 14390), (1860, 11512), (2480, 8634), (2878, 7440), (2976, 7195), (3720, 5756), (4317, 4960)]