21333120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:334

約数の個数: 128

約数和(自身を含む): 69914880

約数和(自身を除く): 48581760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 271, 320, 328, 384, 410, 480, 492, 542, 615, 640, 656, 813, 820, 960, 984, 1084, 1230, 1312, 1355, 1626, 1640, 1920, 1968, 2168, 2460, 2624, 2710, 3252, 3280, 3936, 4065, 4336, 4920, 5248, 5420, 6504, 6560, 7872, 8130, 8672, 9840, 10840, 11111, 13008, 13120, 15744, 16260, 17344, 19680, 21680, 22222, 26016, 26240, 32520, 33333, 34688, 39360, 43360, 44444, 52032, 55555, 65040, 66666, 78720, 86720, 88888, 104064, 111110, 130080, 133332, 166665, 173440, 177776, 222220, 260160, 266664, 333330, 355552, 444440, 520320, 533328, 666660, 711104, 888880, 1066656, 1333320, 1422208, 1777760, 2133312, 2666640, 3555520, 4266624, 5333280, 7111040, 10666560, 21333120]

約数ペア:

[(1, 21333120), (2, 10666560), (3, 7111040), (4, 5333280), (5, 4266624), (6, 3555520), (8, 2666640), (10, 2133312), (12, 1777760), (15, 1422208), (16, 1333320), (20, 1066656), (24, 888880), (30, 711104), (32, 666660), (40, 533328), (41, 520320), (48, 444440), (60, 355552), (64, 333330), (80, 266664), (82, 260160), (96, 222220), (120, 177776), (123, 173440), (128, 166665), (160, 133332), (164, 130080), (192, 111110), (205, 104064), (240, 88888), (246, 86720), (271, 78720), (320, 66666), (328, 65040), (384, 55555), (410, 52032), (480, 44444), (492, 43360), (542, 39360), (615, 34688), (640, 33333), (656, 32520), (813, 26240), (820, 26016), (960, 22222), (984, 21680), (1084, 19680), (1230, 17344), (1312, 16260), (1355, 15744), (1626, 13120), (1640, 13008), (1920, 11111), (1968, 10840), (2168, 9840), (2460, 8672), (2624, 8130), (2710, 7872), (3252, 6560), (3280, 6504), (3936, 5420), (4065, 5248), (4336, 4920)]