21105630

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:895

約数の個数: 128

約数和(自身を含む): 69350400

約数和(自身を除く): 48244770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 135, 182, 189, 195, 210, 234, 270, 273, 315, 351, 378, 390, 455, 546, 585, 630, 702, 819, 859, 910, 945, 1170, 1365, 1638, 1718, 1755, 1890, 2457, 2577, 2730, 3510, 4095, 4295, 4914, 5154, 6013, 7731, 8190, 8590, 11167, 12026, 12285, 12885, 15462, 18039, 22334, 23193, 24570, 25770, 30065, 33501, 36078, 38655, 46386, 54117, 55835, 60130, 67002, 77310, 78169, 90195, 100503, 108234, 111670, 115965, 156338, 162351, 167505, 180390, 201006, 231930, 234507, 270585, 301509, 324702, 335010, 390845, 469014, 502515, 541170, 603018, 703521, 781690, 811755, 1005030, 1172535, 1407042, 1507545, 1623510, 2110563, 2345070, 3015090, 3517605, 4221126, 7035210, 10552815, 21105630]

約数ペア:

[(1, 21105630), (2, 10552815), (3, 7035210), (5, 4221126), (6, 3517605), (7, 3015090), (9, 2345070), (10, 2110563), (13, 1623510), (14, 1507545), (15, 1407042), (18, 1172535), (21, 1005030), (26, 811755), (27, 781690), (30, 703521), (35, 603018), (39, 541170), (42, 502515), (45, 469014), (54, 390845), (63, 335010), (65, 324702), (70, 301509), (78, 270585), (90, 234507), (91, 231930), (105, 201006), (117, 180390), (126, 167505), (130, 162351), (135, 156338), (182, 115965), (189, 111670), (195, 108234), (210, 100503), (234, 90195), (270, 78169), (273, 77310), (315, 67002), (351, 60130), (378, 55835), (390, 54117), (455, 46386), (546, 38655), (585, 36078), (630, 33501), (702, 30065), (819, 25770), (859, 24570), (910, 23193), (945, 22334), (1170, 18039), (1365, 15462), (1638, 12885), (1718, 12285), (1755, 12026), (1890, 11167), (2457, 8590), (2577, 8190), (2730, 7731), (3510, 6013), (4095, 5154), (4295, 4914)]