20211691140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{21319}}^1$

素因数の和:21586

約数の個数: 144

約数和(自身を含む): 64256774400

約数和(自身を除く): 44045083260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 229, 230, 276, 345, 414, 458, 460, 687, 690, 828, 916, 1035, 1145, 1374, 1380, 2061, 2070, 2290, 2748, 3435, 4122, 4140, 4580, 5267, 6870, 8244, 10305, 10534, 13740, 15801, 20610, 21068, 21319, 26335, 31602, 41220, 42638, 47403, 52670, 63204, 63957, 79005, 85276, 94806, 105340, 106595, 127914, 158010, 189612, 191871, 213190, 237015, 255828, 316020, 319785, 383742, 426380, 474030, 490337, 639570, 767484, 948060, 959355, 980674, 1279140, 1471011, 1918710, 1961348, 2451685, 2942022, 3837420, 4413033, 4882051, 4903370, 5884044, 7355055, 8826066, 9764102, 9806740, 14646153, 14710110, 17652132, 19528204, 22065165, 24410255, 29292306, 29420220, 43938459, 44130330, 48820510, 58584612, 73230765, 87876918, 88260660, 97641020, 112287173, 146461530, 175753836, 219692295, 224574346, 292923060, 336861519, 439384590, 449148692, 561435865, 673723038, 878769180, 1010584557, 1122871730, 1347446076, 1684307595, 2021169114, 2245743460, 3368615190, 4042338228, 5052922785, 6737230380, 10105845570, 20211691140]

約数ペア:

[(1, 20211691140), (2, 10105845570), (3, 6737230380), (4, 5052922785), (5, 4042338228), (6, 3368615190), (9, 2245743460), (10, 2021169114), (12, 1684307595), (15, 1347446076), (18, 1122871730), (20, 1010584557), (23, 878769180), (30, 673723038), (36, 561435865), (45, 449148692), (46, 439384590), (60, 336861519), (69, 292923060), (90, 224574346), (92, 219692295), (115, 175753836), (138, 146461530), (180, 112287173), (207, 97641020), (229, 88260660), (230, 87876918), (276, 73230765), (345, 58584612), (414, 48820510), (458, 44130330), (460, 43938459), (687, 29420220), (690, 29292306), (828, 24410255), (916, 22065165), (1035, 19528204), (1145, 17652132), (1374, 14710110), (1380, 14646153), (2061, 9806740), (2070, 9764102), (2290, 8826066), (2748, 7355055), (3435, 5884044), (4122, 4903370), (4140, 4882051), (4580, 4413033), (5267, 3837420), (6870, 2942022), (8244, 2451685), (10305, 1961348), (10534, 1918710), (13740, 1471011), (15801, 1279140), (20610, 980674), (21068, 959355), (21319, 948060), (26335, 767484), (31602, 639570), (41220, 490337), (42638, 474030), (47403, 426380), (52670, 383742), (63204, 319785), (63957, 316020), (79005, 255828), (85276, 237015), (94806, 213190), (105340, 191871), (106595, 189612), (127914, 158010)]