21159834920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{84061}}^1$

素因数の和:84139

約数の個数: 128

約数和(自身を含む): 58103654400

約数和(自身を除く): 36943819480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 406, 434, 580, 620, 812, 868, 899, 1015, 1085, 1160, 1240, 1624, 1736, 1798, 2030, 2170, 3596, 4060, 4340, 4495, 6293, 7192, 8120, 8680, 8990, 12586, 17980, 25172, 31465, 35960, 50344, 62930, 84061, 125860, 168122, 251720, 336244, 420305, 588427, 672488, 840610, 1176854, 1681220, 2353708, 2437769, 2605891, 2942135, 3362440, 4707416, 4875538, 5211782, 5884270, 9751076, 10423564, 11768540, 12188845, 13029455, 17064383, 18241237, 19502152, 20847128, 23537080, 24377690, 26058910, 34128766, 36482474, 48755380, 52117820, 68257532, 72964948, 75570839, 85321915, 91206185, 97510760, 104235640, 136515064, 145929896, 151141678, 170643830, 182412370, 302283356, 341287660, 364824740, 377854195, 528995873, 604566712, 682575320, 729649480, 755708390, 1057991746, 1511416780, 2115983492, 2644979365, 3022833560, 4231966984, 5289958730, 10579917460, 21159834920]

約数ペア:

[(1, 21159834920), (2, 10579917460), (4, 5289958730), (5, 4231966984), (7, 3022833560), (8, 2644979365), (10, 2115983492), (14, 1511416780), (20, 1057991746), (28, 755708390), (29, 729649480), (31, 682575320), (35, 604566712), (40, 528995873), (56, 377854195), (58, 364824740), (62, 341287660), (70, 302283356), (116, 182412370), (124, 170643830), (140, 151141678), (145, 145929896), (155, 136515064), (203, 104235640), (217, 97510760), (232, 91206185), (248, 85321915), (280, 75570839), (290, 72964948), (310, 68257532), (406, 52117820), (434, 48755380), (580, 36482474), (620, 34128766), (812, 26058910), (868, 24377690), (899, 23537080), (1015, 20847128), (1085, 19502152), (1160, 18241237), (1240, 17064383), (1624, 13029455), (1736, 12188845), (1798, 11768540), (2030, 10423564), (2170, 9751076), (3596, 5884270), (4060, 5211782), (4340, 4875538), (4495, 4707416), (6293, 3362440), (7192, 2942135), (8120, 2605891), (8680, 2437769), (8990, 2353708), (12586, 1681220), (17980, 1176854), (25172, 840610), (31465, 672488), (35960, 588427), (50344, 420305), (62930, 336244), (84061, 251720), (125860, 168122)]