21985600

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:193

約数の個数: 168

約数和(自身を含む): 67023488

約数和(自身を除く): 45037888

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 130, 140, 151, 160, 175, 182, 200, 208, 224, 260, 280, 302, 320, 325, 350, 364, 400, 416, 448, 455, 520, 560, 604, 650, 700, 728, 755, 800, 832, 910, 1040, 1057, 1120, 1208, 1300, 1400, 1456, 1510, 1600, 1820, 1963, 2080, 2114, 2240, 2275, 2416, 2600, 2800, 2912, 3020, 3640, 3775, 3926, 4160, 4228, 4550, 4832, 5200, 5285, 5600, 5824, 6040, 7280, 7550, 7852, 8456, 9100, 9664, 9815, 10400, 10570, 11200, 12080, 13741, 14560, 15100, 15704, 16912, 18200, 19630, 20800, 21140, 24160, 26425, 27482, 29120, 30200, 31408, 33824, 36400, 39260, 42280, 48320, 49075, 52850, 54964, 60400, 62816, 67648, 68705, 72800, 78520, 84560, 98150, 105700, 109928, 120800, 125632, 137410, 145600, 157040, 169120, 196300, 211400, 219856, 241600, 274820, 314080, 338240, 343525, 392600, 422800, 439712, 549640, 628160, 687050, 785200, 845600, 879424, 1099280, 1374100, 1570400, 1691200, 2198560, 2748200, 3140800, 4397120, 5496400, 10992800, 21985600]

約数ペア:

[(1, 21985600), (2, 10992800), (4, 5496400), (5, 4397120), (7, 3140800), (8, 2748200), (10, 2198560), (13, 1691200), (14, 1570400), (16, 1374100), (20, 1099280), (25, 879424), (26, 845600), (28, 785200), (32, 687050), (35, 628160), (40, 549640), (50, 439712), (52, 422800), (56, 392600), (64, 343525), (65, 338240), (70, 314080), (80, 274820), (91, 241600), (100, 219856), (104, 211400), (112, 196300), (130, 169120), (140, 157040), (151, 145600), (160, 137410), (175, 125632), (182, 120800), (200, 109928), (208, 105700), (224, 98150), (260, 84560), (280, 78520), (302, 72800), (320, 68705), (325, 67648), (350, 62816), (364, 60400), (400, 54964), (416, 52850), (448, 49075), (455, 48320), (520, 42280), (560, 39260), (604, 36400), (650, 33824), (700, 31408), (728, 30200), (755, 29120), (800, 27482), (832, 26425), (910, 24160), (1040, 21140), (1057, 20800), (1120, 19630), (1208, 18200), (1300, 16912), (1400, 15704), (1456, 15100), (1510, 14560), (1600, 13741), (1820, 12080), (1963, 11200), (2080, 10570), (2114, 10400), (2240, 9815), (2275, 9664), (2416, 9100), (2600, 8456), (2800, 7852), (2912, 7550), (3020, 7280), (3640, 6040), (3775, 5824), (3926, 5600), (4160, 5285), (4228, 5200), (4550, 4832)]