21604620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 43713780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 59, 60, 68, 85, 102, 118, 170, 177, 204, 236, 255, 295, 340, 354, 359, 510, 590, 708, 718, 885, 1003, 1020, 1077, 1180, 1436, 1770, 1795, 2006, 2154, 3009, 3540, 3590, 4012, 4308, 5015, 5385, 6018, 6103, 7180, 10030, 10770, 12036, 12206, 15045, 18309, 20060, 21181, 21540, 24412, 30090, 30515, 36618, 42362, 60180, 61030, 63543, 73236, 84724, 91545, 105905, 122060, 127086, 183090, 211810, 254172, 317715, 360077, 366180, 423620, 635430, 720154, 1080231, 1270860, 1440308, 1800385, 2160462, 3600770, 4320924, 5401155, 7201540, 10802310, 21604620]

約数ペア:

[(1, 21604620), (2, 10802310), (3, 7201540), (4, 5401155), (5, 4320924), (6, 3600770), (10, 2160462), (12, 1800385), (15, 1440308), (17, 1270860), (20, 1080231), (30, 720154), (34, 635430), (51, 423620), (59, 366180), (60, 360077), (68, 317715), (85, 254172), (102, 211810), (118, 183090), (170, 127086), (177, 122060), (204, 105905), (236, 91545), (255, 84724), (295, 73236), (340, 63543), (354, 61030), (359, 60180), (510, 42362), (590, 36618), (708, 30515), (718, 30090), (885, 24412), (1003, 21540), (1020, 21181), (1077, 20060), (1180, 18309), (1436, 15045), (1770, 12206), (1795, 12036), (2006, 10770), (2154, 10030), (3009, 7180), (3540, 6103), (3590, 6018), (4012, 5385), (4308, 5015)]