21450451320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{11177}}^1$

素因数の和:12974

約数の個数: 128

約数和(自身を含む): 71548142400

約数和(自身を除く): 50097691080

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, 1777, 3554, 5331, 7108, 8885, 10662, 11177, 14216, 15993, 17770, 21324, 22354, 26655, 31986, 33531, 35540, 42648, 44708, 47979, 53310, 55885, 63972, 67062, 71080, 79965, 89416, 95958, 100593, 106620, 111770, 127944, 134124, 159930, 167655, 191916, 201186, 213240, 223540, 239895, 268248, 301779, 319860, 335310, 383832, 402372, 447080, 479790, 502965, 603558, 639720, 670620, 804744, 959580, 1005930, 1207116, 1341240, 1508895, 1919160, 2011860, 2414232, 3017790, 4023720, 6035580, 12071160, 19861529, 39723058, 59584587, 79446116, 99307645, 119169174, 158892232, 178753761, 198615290, 238338348, 297922935, 357507522, 397230580, 476676696, 536261283, 595845870, 715015044, 794461160, 893768805, 1072522566, 1191691740, 1430030088, 1787537610, 2145045132, 2383383480, 2681306415, 3575075220, 4290090264, 5362612830, 7150150440, 10725225660, 21450451320]

約数ペア:

[(1, 21450451320), (2, 10725225660), (3, 7150150440), (4, 5362612830), (5, 4290090264), (6, 3575075220), (8, 2681306415), (9, 2383383480), (10, 2145045132), (12, 1787537610), (15, 1430030088), (18, 1191691740), (20, 1072522566), (24, 893768805), (27, 794461160), (30, 715015044), (36, 595845870), (40, 536261283), (45, 476676696), (54, 397230580), (60, 357507522), (72, 297922935), (90, 238338348), (108, 198615290), (120, 178753761), (135, 158892232), (180, 119169174), (216, 99307645), (270, 79446116), (360, 59584587), (540, 39723058), (1080, 19861529), (1777, 12071160), (3554, 6035580), (5331, 4023720), (7108, 3017790), (8885, 2414232), (10662, 2011860), (11177, 1919160), (14216, 1508895), (15993, 1341240), (17770, 1207116), (21324, 1005930), (22354, 959580), (26655, 804744), (31986, 670620), (33531, 639720), (35540, 603558), (42648, 502965), (44708, 479790), (47979, 447080), (53310, 402372), (55885, 383832), (63972, 335310), (67062, 319860), (71080, 301779), (79965, 268248), (89416, 239895), (95958, 223540), (100593, 213240), (106620, 201186), (111770, 191916), (127944, 167655), (134124, 159930)]