21070220480

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{1543}}^1$

素因数の和:2006

約数の個数: 112

約数和(自身を含む): 50731887360

約数和(自身を除く): 29661666880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 307, 320, 556, 614, 695, 1112, 1228, 1390, 1535, 1543, 2224, 2456, 2780, 3070, 3086, 4448, 4912, 5560, 6140, 6172, 7715, 8896, 9824, 11120, 12280, 12344, 15430, 19648, 22240, 24560, 24688, 30860, 42673, 44480, 49120, 49376, 61720, 85346, 98240, 98752, 123440, 170692, 213365, 214477, 246880, 341384, 426730, 428954, 473701, 493760, 682768, 853460, 857908, 947402, 1072385, 1365536, 1706920, 1715816, 1894804, 2144770, 2368505, 2731072, 3413840, 3431632, 3789608, 4289540, 4737010, 6827680, 6863264, 7579216, 8579080, 9474020, 13655360, 13726528, 15158432, 17158160, 18948040, 30316864, 34316320, 37896080, 65844439, 68632640, 75792160, 131688878, 151584320, 263377756, 329222195, 526755512, 658444390, 1053511024, 1316888780, 2107022048, 2633777560, 4214044096, 5267555120, 10535110240, 21070220480]

約数ペア:

[(1, 21070220480), (2, 10535110240), (4, 5267555120), (5, 4214044096), (8, 2633777560), (10, 2107022048), (16, 1316888780), (20, 1053511024), (32, 658444390), (40, 526755512), (64, 329222195), (80, 263377756), (139, 151584320), (160, 131688878), (278, 75792160), (307, 68632640), (320, 65844439), (556, 37896080), (614, 34316320), (695, 30316864), (1112, 18948040), (1228, 17158160), (1390, 15158432), (1535, 13726528), (1543, 13655360), (2224, 9474020), (2456, 8579080), (2780, 7579216), (3070, 6863264), (3086, 6827680), (4448, 4737010), (4912, 4289540), (5560, 3789608), (6140, 3431632), (6172, 3413840), (7715, 2731072), (8896, 2368505), (9824, 2144770), (11120, 1894804), (12280, 1715816), (12344, 1706920), (15430, 1365536), (19648, 1072385), (22240, 947402), (24560, 857908), (24688, 853460), (30860, 682768), (42673, 493760), (44480, 473701), (49120, 428954), (49376, 426730), (61720, 341384), (85346, 246880), (98240, 214477), (98752, 213365), (123440, 170692)]