21315142440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{636653}}^1$

素因数の和:636704

約数の個数: 128

約数和(自身を含む): 73342540800

約数和(自身を除く): 52027398360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 33480, 636653, 1273306, 1909959, 2546612, 3183265, 3819918, 5093224, 5729877, 6366530, 7639836, 9549795, 11459754, 12733060, 15279672, 17189631, 19099590, 19736243, 22919508, 25466120, 28649385, 34379262, 38199180, 39472486, 45839016, 57298770, 59208729, 68758524, 76398360, 78944972, 85948155, 98681215, 114597540, 118417458, 137517048, 157889944, 171896310, 177626187, 197362430, 229195080, 236834916, 296043645, 343792620, 355252374, 394724860, 473669832, 532878561, 592087290, 687585240, 710504748, 789449720, 888130935, 1065757122, 1184174580, 1421009496, 1776261870, 2131514244, 2368349160, 2664392805, 3552523740, 4263028488, 5328785610, 7105047480, 10657571220, 21315142440]

約数ペア:

[(1, 21315142440), (2, 10657571220), (3, 7105047480), (4, 5328785610), (5, 4263028488), (6, 3552523740), (8, 2664392805), (9, 2368349160), (10, 2131514244), (12, 1776261870), (15, 1421009496), (18, 1184174580), (20, 1065757122), (24, 888130935), (27, 789449720), (30, 710504748), (31, 687585240), (36, 592087290), (40, 532878561), (45, 473669832), (54, 394724860), (60, 355252374), (62, 343792620), (72, 296043645), (90, 236834916), (93, 229195080), (108, 197362430), (120, 177626187), (124, 171896310), (135, 157889944), (155, 137517048), (180, 118417458), (186, 114597540), (216, 98681215), (248, 85948155), (270, 78944972), (279, 76398360), (310, 68758524), (360, 59208729), (372, 57298770), (465, 45839016), (540, 39472486), (558, 38199180), (620, 34379262), (744, 28649385), (837, 25466120), (930, 22919508), (1080, 19736243), (1116, 19099590), (1240, 17189631), (1395, 15279672), (1674, 12733060), (1860, 11459754), (2232, 9549795), (2790, 7639836), (3348, 6366530), (3720, 5729877), (4185, 5093224), (5580, 3819918), (6696, 3183265), (8370, 2546612), (11160, 1909959), (16740, 1273306), (33480, 636653)]