21400650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2540

約数の個数: 72

約数和(自身を含む): 60546720

約数和(自身を除く): 39146070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2503, 2850, 4275, 5006, 7509, 8550, 12515, 15018, 22527, 25030, 37545, 45054, 47557, 62575, 75090, 95114, 112635, 125150, 142671, 187725, 225270, 237785, 285342, 375450, 428013, 475570, 563175, 713355, 856026, 1126350, 1188925, 1426710, 2140065, 2377850, 3566775, 4280130, 7133550, 10700325, 21400650]

約数ペア:

[(1, 21400650), (2, 10700325), (3, 7133550), (5, 4280130), (6, 3566775), (9, 2377850), (10, 2140065), (15, 1426710), (18, 1188925), (19, 1126350), (25, 856026), (30, 713355), (38, 563175), (45, 475570), (50, 428013), (57, 375450), (75, 285342), (90, 237785), (95, 225270), (114, 187725), (150, 142671), (171, 125150), (190, 112635), (225, 95114), (285, 75090), (342, 62575), (450, 47557), (475, 45054), (570, 37545), (855, 25030), (950, 22527), (1425, 15018), (1710, 12515), (2503, 8550), (2850, 7509), (4275, 5006)]