21219300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 70828800

約数和(自身を除く): 49609500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 116, 135, 145, 150, 174, 180, 225, 261, 270, 271, 290, 300, 348, 435, 450, 522, 540, 542, 580, 675, 725, 783, 813, 870, 900, 1044, 1084, 1305, 1350, 1355, 1450, 1566, 1626, 1740, 2175, 2439, 2610, 2700, 2710, 2900, 3132, 3252, 3915, 4065, 4350, 4878, 5220, 5420, 6525, 6775, 7317, 7830, 7859, 8130, 8700, 9756, 12195, 13050, 13550, 14634, 15660, 15718, 16260, 19575, 20325, 23577, 24390, 26100, 27100, 29268, 31436, 36585, 39150, 39295, 40650, 47154, 48780, 60975, 70731, 73170, 78300, 78590, 81300, 94308, 117885, 121950, 141462, 146340, 157180, 182925, 196475, 212193, 235770, 243900, 282924, 353655, 365850, 392950, 424386, 471540, 589425, 707310, 731700, 785900, 848772, 1060965, 1178850, 1414620, 1768275, 2121930, 2357700, 3536550, 4243860, 5304825, 7073100, 10609650, 21219300]

約数ペア:

[(1, 21219300), (2, 10609650), (3, 7073100), (4, 5304825), (5, 4243860), (6, 3536550), (9, 2357700), (10, 2121930), (12, 1768275), (15, 1414620), (18, 1178850), (20, 1060965), (25, 848772), (27, 785900), (29, 731700), (30, 707310), (36, 589425), (45, 471540), (50, 424386), (54, 392950), (58, 365850), (60, 353655), (75, 282924), (87, 243900), (90, 235770), (100, 212193), (108, 196475), (116, 182925), (135, 157180), (145, 146340), (150, 141462), (174, 121950), (180, 117885), (225, 94308), (261, 81300), (270, 78590), (271, 78300), (290, 73170), (300, 70731), (348, 60975), (435, 48780), (450, 47154), (522, 40650), (540, 39295), (542, 39150), (580, 36585), (675, 31436), (725, 29268), (783, 27100), (813, 26100), (870, 24390), (900, 23577), (1044, 20325), (1084, 19575), (1305, 16260), (1350, 15718), (1355, 15660), (1450, 14634), (1566, 13550), (1626, 13050), (1740, 12195), (2175, 9756), (2439, 8700), (2610, 8130), (2700, 7859), (2710, 7830), (2900, 7317), (3132, 6775), (3252, 6525), (3915, 5420), (4065, 5220), (4350, 4878)]