210421764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1061}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 609231168

約数和(自身を除く): 398809404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 787, 1061, 1574, 2122, 2361, 3148, 3183, 4244, 4722, 5509, 6366, 7083, 7427, 9444, 9549, 11018, 12732, 14166, 14854, 16527, 19098, 22036, 22281, 28332, 29708, 33054, 38196, 44562, 49581, 66108, 66843, 89124, 99162, 133686, 198324, 267372, 835007, 1670014, 2505021, 3340028, 5010042, 5845049, 7515063, 10020084, 11690098, 15030126, 17535147, 23380196, 30060252, 35070294, 52605441, 70140588, 105210882, 210421764]

約数ペア:

[(1, 210421764), (2, 105210882), (3, 70140588), (4, 52605441), (6, 35070294), (7, 30060252), (9, 23380196), (12, 17535147), (14, 15030126), (18, 11690098), (21, 10020084), (28, 7515063), (36, 5845049), (42, 5010042), (63, 3340028), (84, 2505021), (126, 1670014), (252, 835007), (787, 267372), (1061, 198324), (1574, 133686), (2122, 99162), (2361, 89124), (3148, 66843), (3183, 66108), (4244, 49581), (4722, 44562), (5509, 38196), (6366, 33054), (7083, 29708), (7427, 28332), (9444, 22281), (9549, 22036), (11018, 19098), (12732, 16527), (14166, 14854)]