21070350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6689}}^1$

素因数の和:6714

約数の個数: 72

約数和(自身を含む): 64705680

約数和(自身を除く): 43635330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6689, 13378, 20067, 33445, 40134, 46823, 60201, 66890, 93646, 100335, 120402, 140469, 167225, 200670, 234115, 280938, 301005, 334450, 421407, 468230, 501675, 602010, 702345, 842814, 1003350, 1170575, 1404690, 1505025, 2107035, 2341150, 3010050, 3511725, 4214070, 7023450, 10535175, 21070350]

約数ペア:

[(1, 21070350), (2, 10535175), (3, 7023450), (5, 4214070), (6, 3511725), (7, 3010050), (9, 2341150), (10, 2107035), (14, 1505025), (15, 1404690), (18, 1170575), (21, 1003350), (25, 842814), (30, 702345), (35, 602010), (42, 501675), (45, 468230), (50, 421407), (63, 334450), (70, 301005), (75, 280938), (90, 234115), (105, 200670), (126, 167225), (150, 140469), (175, 120402), (210, 100335), (225, 93646), (315, 66890), (350, 60201), (450, 46823), (525, 40134), (630, 33445), (1050, 20067), (1575, 13378), (3150, 6689)]