21215663460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1\times {\mathrm{3671}}^1$

素因数の和:4114

約数の個数: 144

約数和(自身を含む): 65231816832

約数和(自身を除く): 44016153372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 331, 388, 485, 582, 662, 873, 970, 993, 1164, 1324, 1455, 1655, 1746, 1940, 1986, 2910, 2979, 3310, 3492, 3671, 3972, 4365, 4965, 5820, 5958, 6620, 7342, 8730, 9930, 11013, 11916, 14684, 14895, 17460, 18355, 19860, 22026, 29790, 32107, 33039, 36710, 44052, 55065, 59580, 64214, 66078, 73420, 96321, 110130, 128428, 132156, 160535, 165195, 192642, 220260, 288963, 321070, 330390, 356087, 385284, 481605, 577926, 642140, 660780, 712174, 963210, 1068261, 1155852, 1215101, 1424348, 1444815, 1780435, 1926420, 2136522, 2430202, 2889630, 3204783, 3560870, 3645303, 4273044, 4860404, 5341305, 5779260, 6075505, 6409566, 7121740, 7290606, 10682610, 10935909, 12151010, 12819132, 14581212, 16023915, 18226515, 21365220, 21871818, 24302020, 32047830, 36453030, 43743636, 54679545, 64095660, 72906060, 109359090, 117864797, 218718180, 235729594, 353594391, 471459188, 589323985, 707188782, 1060783173, 1178647970, 1414377564, 1767971955, 2121566346, 2357295940, 3535943910, 4243132692, 5303915865, 7071887820, 10607831730, 21215663460]

約数ペア:

[(1, 21215663460), (2, 10607831730), (3, 7071887820), (4, 5303915865), (5, 4243132692), (6, 3535943910), (9, 2357295940), (10, 2121566346), (12, 1767971955), (15, 1414377564), (18, 1178647970), (20, 1060783173), (30, 707188782), (36, 589323985), (45, 471459188), (60, 353594391), (90, 235729594), (97, 218718180), (180, 117864797), (194, 109359090), (291, 72906060), (331, 64095660), (388, 54679545), (485, 43743636), (582, 36453030), (662, 32047830), (873, 24302020), (970, 21871818), (993, 21365220), (1164, 18226515), (1324, 16023915), (1455, 14581212), (1655, 12819132), (1746, 12151010), (1940, 10935909), (1986, 10682610), (2910, 7290606), (2979, 7121740), (3310, 6409566), (3492, 6075505), (3671, 5779260), (3972, 5341305), (4365, 4860404), (4965, 4273044), (5820, 3645303), (5958, 3560870), (6620, 3204783), (7342, 2889630), (8730, 2430202), (9930, 2136522), (11013, 1926420), (11916, 1780435), (14684, 1444815), (14895, 1424348), (17460, 1215101), (18355, 1155852), (19860, 1068261), (22026, 963210), (29790, 712174), (32107, 660780), (33039, 642140), (36710, 577926), (44052, 481605), (55065, 385284), (59580, 356087), (64214, 330390), (66078, 321070), (73420, 288963), (96321, 220260), (110130, 192642), (128428, 165195), (132156, 160535)]