21584992

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 51438240

約数和(自身を除く): 29853248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 53, 88, 89, 104, 106, 143, 176, 178, 208, 212, 286, 352, 356, 416, 424, 572, 583, 689, 712, 848, 979, 1144, 1157, 1166, 1378, 1424, 1696, 1958, 2288, 2314, 2332, 2756, 2848, 3916, 4576, 4628, 4664, 4717, 5512, 7579, 7832, 9256, 9328, 9434, 11024, 12727, 15158, 15664, 18512, 18656, 18868, 22048, 25454, 30316, 31328, 37024, 37736, 50908, 51887, 60632, 61321, 75472, 101816, 103774, 121264, 122642, 150944, 203632, 207548, 242528, 245284, 407264, 415096, 490568, 674531, 830192, 981136, 1349062, 1660384, 1962272, 2698124, 5396248, 10792496, 21584992]

約数ペア:

[(1, 21584992), (2, 10792496), (4, 5396248), (8, 2698124), (11, 1962272), (13, 1660384), (16, 1349062), (22, 981136), (26, 830192), (32, 674531), (44, 490568), (52, 415096), (53, 407264), (88, 245284), (89, 242528), (104, 207548), (106, 203632), (143, 150944), (176, 122642), (178, 121264), (208, 103774), (212, 101816), (286, 75472), (352, 61321), (356, 60632), (416, 51887), (424, 50908), (572, 37736), (583, 37024), (689, 31328), (712, 30316), (848, 25454), (979, 22048), (1144, 18868), (1157, 18656), (1166, 18512), (1378, 15664), (1424, 15158), (1696, 12727), (1958, 11024), (2288, 9434), (2314, 9328), (2332, 9256), (2756, 7832), (2848, 7579), (3916, 5512), (4576, 4717), (4628, 4664)]