21135136

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 45934560

約数和(自身を除く): 24799424

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 97, 176, 194, 352, 388, 619, 776, 1067, 1238, 1552, 2134, 2476, 3104, 4268, 4952, 6809, 8536, 9904, 13618, 17072, 19808, 27236, 34144, 54472, 60043, 108944, 120086, 217888, 240172, 480344, 660473, 960688, 1320946, 1921376, 2641892, 5283784, 10567568, 21135136]

約数ペア:

[(1, 21135136), (2, 10567568), (4, 5283784), (8, 2641892), (11, 1921376), (16, 1320946), (22, 960688), (32, 660473), (44, 480344), (88, 240172), (97, 217888), (176, 120086), (194, 108944), (352, 60043), (388, 54472), (619, 34144), (776, 27236), (1067, 19808), (1238, 17072), (1552, 13618), (2134, 9904), (2476, 8536), (3104, 6809), (4268, 4952)]