21876582

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 54512640

約数和(自身を除く): 32636058

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 103, 182, 206, 273, 309, 389, 546, 618, 721, 778, 1167, 1339, 1442, 2163, 2334, 2678, 2723, 4017, 4326, 5057, 5446, 8034, 8169, 9373, 10114, 15171, 16338, 18746, 28119, 30342, 35399, 40067, 56238, 70798, 80134, 106197, 120201, 212394, 240402, 280469, 520871, 560938, 841407, 1041742, 1562613, 1682814, 3125226, 3646097, 7292194, 10938291, 21876582]

約数ペア:

[(1, 21876582), (2, 10938291), (3, 7292194), (6, 3646097), (7, 3125226), (13, 1682814), (14, 1562613), (21, 1041742), (26, 841407), (39, 560938), (42, 520871), (78, 280469), (91, 240402), (103, 212394), (182, 120201), (206, 106197), (273, 80134), (309, 70798), (389, 56238), (546, 40067), (618, 35399), (721, 30342), (778, 28119), (1167, 18746), (1339, 16338), (1442, 15171), (2163, 10114), (2334, 9373), (2678, 8169), (2723, 8034), (4017, 5446), (4326, 5057)]