21998886630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{3061}}^1\times {\mathrm{4889}}^1$

素因数の和:7974

約数の個数: 96

約数和(自身を含む): 61449930720

約数和(自身を除く): 39451044090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 3061, 4889, 6122, 9183, 9778, 14667, 15305, 18366, 21427, 24445, 29334, 30610, 34223, 42854, 45915, 48890, 64281, 68446, 73335, 91830, 102669, 107135, 128562, 146670, 149989, 171115, 205338, 214270, 239561, 299978, 321405, 342230, 449967, 479122, 513345, 642810, 718683, 749945, 899934, 1026690, 1197805, 1437366, 1499890, 2249835, 2395610, 3593415, 4499670, 7186830, 14965229, 29930458, 44895687, 74826145, 89791374, 104756603, 149652290, 209513206, 224478435, 314269809, 448956870, 523783015, 628539618, 733296221, 1047566030, 1466592442, 1571349045, 2199888663, 3142698090, 3666481105, 4399777326, 7332962210, 10999443315, 21998886630]

約数ペア:

[(1, 21998886630), (2, 10999443315), (3, 7332962210), (5, 4399777326), (6, 3666481105), (7, 3142698090), (10, 2199888663), (14, 1571349045), (15, 1466592442), (21, 1047566030), (30, 733296221), (35, 628539618), (42, 523783015), (49, 448956870), (70, 314269809), (98, 224478435), (105, 209513206), (147, 149652290), (210, 104756603), (245, 89791374), (294, 74826145), (490, 44895687), (735, 29930458), (1470, 14965229), (3061, 7186830), (4889, 4499670), (6122, 3593415), (9183, 2395610), (9778, 2249835), (14667, 1499890), (15305, 1437366), (18366, 1197805), (21427, 1026690), (24445, 899934), (29334, 749945), (30610, 718683), (34223, 642810), (42854, 513345), (45915, 479122), (48890, 449967), (64281, 342230), (68446, 321405), (73335, 299978), (91830, 239561), (102669, 214270), (107135, 205338), (128562, 171115), (146670, 149989)]