21300360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1430

約数の個数: 64

約数和(自身を含む): 64411200

約数和(自身を除く): 43110840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1277, 1390, 1668, 2085, 2554, 2780, 3336, 3831, 4170, 5108, 5560, 6385, 7662, 8340, 10216, 12770, 15324, 16680, 19155, 25540, 30648, 38310, 51080, 76620, 153240, 177503, 355006, 532509, 710012, 887515, 1065018, 1420024, 1775030, 2130036, 2662545, 3550060, 4260072, 5325090, 7100120, 10650180, 21300360]

約数ペア:

[(1, 21300360), (2, 10650180), (3, 7100120), (4, 5325090), (5, 4260072), (6, 3550060), (8, 2662545), (10, 2130036), (12, 1775030), (15, 1420024), (20, 1065018), (24, 887515), (30, 710012), (40, 532509), (60, 355006), (120, 177503), (139, 153240), (278, 76620), (417, 51080), (556, 38310), (695, 30648), (834, 25540), (1112, 19155), (1277, 16680), (1390, 15324), (1668, 12770), (2085, 10216), (2554, 8340), (2780, 7662), (3336, 6385), (3831, 5560), (4170, 5108)]