213194940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{507607}}^1$

素因数の和:507626

約数の個数: 48

約数和(自身を含む): 682225152

約数和(自身を除く): 469030212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 507607, 1015214, 1522821, 2030428, 2538035, 3045642, 3553249, 5076070, 6091284, 7106498, 7614105, 10152140, 10659747, 14212996, 15228210, 17766245, 21319494, 30456420, 35532490, 42638988, 53298735, 71064980, 106597470, 213194940]

約数ペア:

[(1, 213194940), (2, 106597470), (3, 71064980), (4, 53298735), (5, 42638988), (6, 35532490), (7, 30456420), (10, 21319494), (12, 17766245), (14, 15228210), (15, 14212996), (20, 10659747), (21, 10152140), (28, 7614105), (30, 7106498), (35, 6091284), (42, 5076070), (60, 3553249), (70, 3045642), (84, 2538035), (105, 2030428), (140, 1522821), (210, 1015214), (420, 507607)]