21812648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 50198400

約数和(自身を除く): 28385752

約数列:

[1, 2, 4, 8, 11, 13, 22, 23, 26, 44, 46, 52, 88, 92, 104, 143, 184, 253, 286, 299, 506, 572, 598, 829, 1012, 1144, 1196, 1658, 2024, 2392, 3289, 3316, 6578, 6632, 9119, 10777, 13156, 18238, 19067, 21554, 26312, 36476, 38134, 43108, 72952, 76268, 86216, 118547, 152536, 209737, 237094, 247871, 419474, 474188, 495742, 838948, 948376, 991484, 1677896, 1982968, 2726581, 5453162, 10906324, 21812648]

約数ペア:

[(1, 21812648), (2, 10906324), (4, 5453162), (8, 2726581), (11, 1982968), (13, 1677896), (22, 991484), (23, 948376), (26, 838948), (44, 495742), (46, 474188), (52, 419474), (88, 247871), (92, 237094), (104, 209737), (143, 152536), (184, 118547), (253, 86216), (286, 76268), (299, 72952), (506, 43108), (572, 38134), (598, 36476), (829, 26312), (1012, 21554), (1144, 19067), (1196, 18238), (1658, 13156), (2024, 10777), (2392, 9119), (3289, 6632), (3316, 6578)]