21776337

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 17622063

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 51, 57, 99, 153, 171, 187, 209, 227, 297, 323, 459, 513, 561, 627, 681, 969, 1683, 1881, 2043, 2497, 2907, 3553, 3859, 4313, 5049, 5643, 6129, 7491, 8721, 10659, 11577, 12939, 22473, 31977, 34731, 38817, 42449, 47443, 67419, 73321, 95931, 104193, 116451, 127347, 142329, 219963, 382041, 426987, 659889, 806531, 1146123, 1280961, 1979667, 2419593, 7258779, 21776337]

約数ペア:

[(1, 21776337), (3, 7258779), (9, 2419593), (11, 1979667), (17, 1280961), (19, 1146123), (27, 806531), (33, 659889), (51, 426987), (57, 382041), (99, 219963), (153, 142329), (171, 127347), (187, 116451), (209, 104193), (227, 95931), (297, 73321), (323, 67419), (459, 47443), (513, 42449), (561, 38817), (627, 34731), (681, 31977), (969, 22473), (1683, 12939), (1881, 11577), (2043, 10659), (2497, 8721), (2907, 7491), (3553, 6129), (3859, 5643), (4313, 5049)]