21587697720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{2069}}^1\times {\mathrm{9661}}^1$

素因数の和:11750

約数の個数: 128

約数和(自身を含む): 72001224000

約数和(自身を除く): 50413526280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 2069, 4138, 6207, 8276, 9661, 10345, 12414, 16552, 18621, 19322, 20690, 24828, 28983, 31035, 37242, 38644, 41380, 48305, 49656, 55863, 57966, 62070, 74484, 77288, 82760, 86949, 93105, 96610, 111726, 115932, 124140, 144915, 148968, 173898, 186210, 193220, 223452, 231864, 248280, 260847, 279315, 289830, 347796, 372420, 386440, 434745, 446904, 521694, 558630, 579660, 695592, 744840, 869490, 1043388, 1117260, 1159320, 1304235, 1738980, 2086776, 2234520, 2608470, 3477960, 5216940, 10433880, 19988609, 39977218, 59965827, 79954436, 99943045, 119931654, 159908872, 179897481, 199886090, 239863308, 299829135, 359794962, 399772180, 479726616, 539692443, 599658270, 719589924, 799544360, 899487405, 1079384886, 1199316540, 1439179848, 1798974810, 2158769772, 2398633080, 2698462215, 3597949620, 4317539544, 5396924430, 7195899240, 10793848860, 21587697720]

約数ペア:

[(1, 21587697720), (2, 10793848860), (3, 7195899240), (4, 5396924430), (5, 4317539544), (6, 3597949620), (8, 2698462215), (9, 2398633080), (10, 2158769772), (12, 1798974810), (15, 1439179848), (18, 1199316540), (20, 1079384886), (24, 899487405), (27, 799544360), (30, 719589924), (36, 599658270), (40, 539692443), (45, 479726616), (54, 399772180), (60, 359794962), (72, 299829135), (90, 239863308), (108, 199886090), (120, 179897481), (135, 159908872), (180, 119931654), (216, 99943045), (270, 79954436), (360, 59965827), (540, 39977218), (1080, 19988609), (2069, 10433880), (4138, 5216940), (6207, 3477960), (8276, 2608470), (9661, 2234520), (10345, 2086776), (12414, 1738980), (16552, 1304235), (18621, 1159320), (19322, 1117260), (20690, 1043388), (24828, 869490), (28983, 744840), (31035, 695592), (37242, 579660), (38644, 558630), (41380, 521694), (48305, 446904), (49656, 434745), (55863, 386440), (57966, 372420), (62070, 347796), (74484, 289830), (77288, 279315), (82760, 260847), (86949, 248280), (93105, 231864), (96610, 223452), (111726, 193220), (115932, 186210), (124140, 173898), (144915, 148968)]